up one's sleeve
短语锦囊妙计
发音
AU
别名
up one's sleeves
释义与例句
phr.
-
1.
Hidden and ready to be produced as needed; in reserve.
锦囊妙计
习语I have tried everything I can think of, and I don't have anything more up my sleeve.
词源
From the practice of magicians hiding tricks or gimmicks in the sleeve.
来源:wiktionary