守備の甘さがこのチームの泣き所だ。
Weak defense is this team's Achilles' heel.
すねは弁慶の泣き所と言われるほど痛い。
The shin hurts so much that it's called "Benkei's weak spot."
彼は相手の泣き所を的確に突いて議論に勝った。
He won the argument by hitting precisely on his opponent's weak point.
この車は燃費の悪さが唯一の泣き所だ。
Poor fuel economy is this car's only weak point.