a card up (one's) sleeve

A secret plan, idea, or advantage that can be utilized if and when it is required. A reference to cheating at a card game by hiding a favorable card up one's sleeve. She has a card up her sleeve if they ever try to fire her, since she knows about the boss's unscrupulous business practices.

card up one's sleeve

Also, ace up one's sleeve. A hidden or secret advantage or resource, as in Before we make a decision, let's see if management has another card up its sleeve, or You can count on John to have an ace up his sleeve. The practice of storing something in one's sleeve dates from the 16th century, when clothes rarely had pockets. The current term comes from gambling, where a dishonest player might so conceal an ace or other winning card. [Mid-1800s]

card up (one's) sleeve

A secret resource or plan held in reserve: a tough negotiator who had a number of cards up his sleeve.

词组	a card up (one's) sleeve
释义	a card up (one's) sleeve a card up (one's) sleeve A secret plan, idea, or advantage that can be utilized if and when it is required. A reference to cheating at a card game by hiding a favorable card up one's sleeve. She has a card up her sleeve if they ever try to fire her, since she knows about the boss's unscrupulous business practices. See also: card, sleeve, up Farlex Dictionary of Idioms. card up one's sleeve Also, ace up one's sleeve. A hidden or secret advantage or resource, as in Before we make a decision, let's see if management has another card up its sleeve, or You can count on John to have an ace up his sleeve. The practice of storing something in one's sleeve dates from the 16th century, when clothes rarely had pockets. The current term comes from gambling, where a dishonest player might so conceal an ace or other winning card. [Mid-1800s] See also: card, sleeve, up The American Heritage® Dictionary of Idioms by Christine Ammer. card up (one's) sleeve A secret resource or plan held in reserve: a tough negotiator who had a number of cards up his sleeve. See also: card, sleeve, up American Heritage® Dictionary of the English Language, Fifth Edition. See also: ace up (one's) sleeve card up one's sleeve have a card up (one's) sleeve have a trick up (one's) sleeve have an ace up (one's) sleeve have an ace/a trick up your sleeve have something up your sleeve have up sleeve have/keep something up your sleeve trick up (one's) sleeve
随便看	a poison pen letter a polite fiction a political football apologize for apology a poor craftsman blames his tools a poor relation a poor thing but mine own a pop a portent of things to come a port in a storm a port of call a poster child for something apostle a Potemkin village apothecary apothecary's Latin a pot of gold a pound to a penny a powder keg (a) pox on (someone or something) app appeal appeal against appeal from Philip drunk to Philip sober