| 词组 | enveloped |
| 释义 | (redirected from enveloped)back-of-the-envelope calculationA calculation or mathematical formulation that is approximated in a quick, informal, and rough manner, as might be sketched out on a scrap of paper (such as the back of an envelope). When it came time to pay the bill, we had to do some back-of-the-envelope calculations to figure out who owed how much. the opening of an envelopeAny event, celebration, or ceremony, no matter how trivial or unremarkable, that one attends purely for the sake of visibility. Often said in relation to celebrities or media personalities who make a point of attending anything that will give them more public exposure. In a bid to cultivate a media buzz around herself, the Internet sensation has been to the openings of films, book launches, and celebrity galas. With the way she carries on, she'd even go to the opening of an envelope! envelop (oneself, someone, or something) in (something)To wrap oneself, someone, or something in something. As soon as I got in from the cold, I enveloped myself in a blanket and sat in front of the fire. The snowstorm enveloped our area even faster than predicted with white-out conditions. push the envelopeTo expand on, exceed, or test the limits of the established norm or standard. The company is renowned for pushing the envelope whenever they develop a new piece of technology. If you want to make a name for yourself in the art world, then you can't be afraid of pushing the envelope. It's a natural stage for most teenagers to push the envelope of their parents' rules. on the back of an envelopeCalculated, prepared, or drafted in an overly quick, informal, or rough manner, as might be scribbled on a scrap of paper (such as the back of an envelope). It seems clear that they devised this legislation on the back of an envelope. Now, don't come up with these figures on the back of an envelope—I want you to be thorough and double check each sum and calculation. push the envelopeFig. to expand the definition, categorization, dimensions, or perimeters of something. The engineers wanted to completely redesign the product, but couldn't push the envelope because of a very restricted budget. push the envelopeExceed the limits of what is normally done, be innovative, as in They are pushing the envelope in using only new fabrics for winter clothing. This idiom comes from aviation, the envelope alluding to the technical limits of a plane's performance, which, on a graph, appear as a rising slope as limits of speed and stress are approached and falls off when the capacity is exceeded and the pilot loses control; safety lies within these limits, or envelope, and exceeding them exposes pilot and plane to risk. [Slang; late 1960s] on the back of an envelopeIf a piece of work was written or planned on the back of an envelope, it was prepared too quickly, with little thought or care. These proposals were sketched out on the back of an envelope. The screenplay sounds as if it's been written on the back of an envelope. Note: You can also talk about a back-of-an-envelope calculation or account to talk about something that is not accurate. According to his back-of-an-envelope calculation, a solar square of mirrors of this size would provide enough energy to supply the whole state. push the envelopeIf you push the envelope, you do something to a greater degree or in a more extreme way than it has been done before. We have to keep pushing the envelope, trying new technologies and developing better methods. There's a valuable place for fashion and design that pushes the envelope a bit. Note: Rather than referring to stationery, the sense of envelope here is probably the one used to refer to the shape of a wave in electronics or a curve in mathematics. Pushing or stretching the envelope suggests changing the properties of the wave or curve. push the envelope (or the edge of the envelope)approach or extend the limits of what is possible. informalThis expression was originally aviation slang and related to graphs of aerodynamic performance on which the envelope is the boundary line representing an aircraft's capabilities. 1993 Albuquerque These are extremely witty and clever stories that consistently push the envelope of TV comedy. push the ˈenvelopedo something in an extreme way in order to find out to what degree something is possible: Advertisements seem to be pushing the envelope of taste every day.People these days like to push the envelope with extreme sports. ▶ ˈenvelope-pushing noun, adj.: envelope-pushing technologyThis expression comes from the aeroplane industry. A plane’s envelope was the limit of its performance. Test pilots would need to push (the edge of) the envelope to see what the plane could and could not do.push the envelope To exceed or try to exceed the existing limits of a discipline or activity. push the envelopeGo to extremes, go beyond accepted limits. This term comes from flight testing in the 1960s, where envelope signifies the limits of safe performance, and pushing it means to fly an aircraft faster or higher or dive more steeply than had ever been attempted in order to see what it could do. By the 1980s the expression was used figuratively, and so widely that it has become a cliché. Opera singer Renée Fleming used it in The Inner Voice (2004): “You want to go out there, push the envelope, and do something you’ve never done before.” |
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