ace up one's sleeve
<abbr style="text-decoration: underline;" title="ace / card" > ace</abbr>
eɪs
eis
up
ʌp
ap
<i>one's</i>
wʌnz
vanz
sleeve
sliv
sliv

“ ace up one's sleeve”的英语定义和含义

ace up one's sleeve
01

a secret advantage that a person can use when the need arises 

Dialect
[ace|card] up {one's} sleeve definition and meaning
习语
非正式
例子
Her fluency in Arabic was an ace up her sleeve during the negotiations. 
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