a world of good

A very positive effect (on someone or something). If you're feeling sad, getting out in the sunlight should do you a world of good.

world of good, a

A great benefit, as in A vacation will do you a world of good. This expression uses world in the sense of "a great deal," a usage dating from the 1400s. [Late 1800s]

world of good, a

An enormous benefit. World has been used to mean “a great deal” since the sixteenth century, but this phrase dates from the nineteenth century and was generally used in connection with something that was beneficial to one’s health. “The mountain air will do him a world of good,” wrote Thomas Mann in The Magic Mountain (translated by H. Lowe-Porter, 1927).

词组	a world of good
释义	a world of good a world of good A very positive effect (on someone or something). If you're feeling sad, getting out in the sunlight should do you a world of good. See also: good, of, world Farlex Dictionary of Idioms. world of good, a A great benefit, as in A vacation will do you a world of good. This expression uses world in the sense of "a great deal," a usage dating from the 1400s. [Late 1800s] See also: of, world The American Heritage® Dictionary of Idioms by Christine Ammer. world of good, a An enormous benefit. World has been used to mean “a great deal” since the sixteenth century, but this phrase dates from the nineteenth century and was generally used in connection with something that was beneficial to one’s health. “The mountain air will do him a world of good,” wrote Thomas Mann in The Magic Mountain (translated by H. Lowe-Porter, 1927). See also: of, world The Dictionary of Clichés by Christine Ammer See also: do (one) a/the world of good do a power of good do (one) a heap of good do (one) a power of good do someone or something a power of good be good for (someone or something) be good for something do somebody/something a power/world of good as good as it gets (it's) good to have you (here)
随便看	besmirch (someone or something) with (something) besmirch with be snappy be snatched from the jaws of death be snatched out of the jaws of death be snowed out be snowed under be so be soaked through be soaked to the bone be soaked to the skin be so bold be so bold as to do be so bold as to (do something) be soft in the head be soft on (someone) be sold a bill of goods be sold a pup be sold on (something) be sold on something be somebody's baby be somebody's department be somebody's for the asking be somebody's for the taking be somebody's life