語感 Dictionary

油断大敵

ゆだんたいてき

don't let your guard down; carelessness is the great enemy; danger comes soonest when it is despised

Meanings

  1. Expression

    don't let your guard down; carelessness is the great enemy; danger comes soonest when it is despisedFour-character idiom

Example sentences

  • 油断大敵ゆだんたいてき。

    Security is the greatest enemy.