敵てきに後うしろを見みせる

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.

• 彼かれは敵てきに後うしろを見みせて逃にげ出だした。

  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.

• 交こう渉しょうで感かん情じょう的てきになって敵てきに後うしろを見みせてはいけない。

  In negotiations, you must not get emotional and show weakness to your opponent.