如果一個人的建議或警告 “fall on deaf ears 落在了聽不見的耳中”， 那麼此人所說的話就沒人聽。這個說法形容人置若罔聞，充耳不聞。
I reminded him three times that the homework assignment was due but it fell on deaf ears. Now he’s failed!
I’ve tried to negotiate a better price with the salesman, but my words always seem to fall on deaf ears!
The workers’ demands for a pay rise fell on deaf ears. The managers just weren’t interested.