动词 “clang” 表示 “铃铛等金属物体撞击时发出巨大声响”。在非正式的英式英语中，短语 “drop a clanger” 的意思是 “因说错话或做错事而出丑”。

例句
Kevin dropped a clanger when he told everyone that Jenny was pregnant – she wanted to keep it a secret.
凯文说漏嘴了，他告诉大家珍妮怀孕了。她本想保守这个秘密的。

Don't drop a clanger this time by telling the kids what they are getting for Christmas.
这次别再说漏嘴了，可不要告诉孩子们他们圣诞节会收到什么东西。

I dropped a clanger by leaving my microphone switched on while I moaned about my boss. Everyone was listening!
我当时没关麦克风就抱怨起我的老板，做了件蠢事。大家都听见了！