expression, ichidan verb
flee from the enemy; turn tail
Literal meaning: showing one's back to the enemy, i.e., running away from a fight.
彼は敵に後ろを見せて逃げ出した。
He turned tail and fled from the enemy.
expression, ichidan verb
expose one's weakness to an adversary
Figurative use: showing vulnerability or a weak point to an opponent, not necessarily in a physical battle.
交渉で感情的になって敵に後ろを見せてはいけない。
In negotiations, you must not get emotional and show weakness to your opponent.