to  keep  one's powder dry
keep
ki:p
kip
<i>one's</i>
wʌnz
vanz
powder
paʊdə
pawdē
dry
draɪ
drai

영어로 "keep one's powder dry"의 정의와 의미

to keep one's powder dry
01

* remain cautious and ready for a possible emergency. 

예시들
I think some potential candidates are going to keep their powder dry and see how it's playing out. 
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