油断大敵 | [ゆだんたいてき, yudantaiteki] (exp) Unpreparedness is one's greatest enemy; He that is too secure is not safe [Add to Longdo] |
油断大敵 | [ゆだんたいてき, yudantaiteki] (exp) Unpreparedness is one's greatest enemy; He that is too secure is not safe [Add to Longdo] |
Security is the greatest enemy. | 油断大敵。 |