天火字典

英日字典：ﾆｬ､ｬﾀﾚ､､

ﾆｬ､ｬﾀﾚ､､

､｢､ｿ､ﾞ､ｬ､ｭ､､

(exp,v1) to be sharp
to be keen
to be on the ball
to have a mind like a steel trap

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