天火字典

英日字典：ゆだんもすきもない

ゆだんもすきもない

油断も隙もない

油断も隙も無い

油断も隙もない：

(exp)
one must constantly be on one's guard with ...
one cannot be too careful of ...
油断も隙も無い：

(exp)
one must constantly be on one's guard with ...
one cannot be too careful of ...

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