[誤] The customer bargained with the seller till he had worn out his lips, but the seller didn\'t change his
price.
[正] The customer had worn out his tongue bargaining with the seller, but the seller didn\'t change his price.
注:中文用“嘴皮”,但 tongue 卻更符合英國人的習(xí)慣。另外,“保持緘默”的英文是 bite the ongue。