bells and whistles 1 . (非正式)附加的诱人特色(或点缀) be saved by the bell 2 . 被铃声解救(拳击或其他体育项目中因铃声宣布一个回合结束而幸免未被判输) (as) clear (或 sound) as a bell 3 . 极为清晰;完好 give someone a bell 4 . (英,非正式)给某人打电话 ring a bell 5 . (非正式)唤起遥远的回忆;听上去熟悉 with bells on 6 . (北美,非正式)热情地 习惯用语 bell the cat 1 . 敢于冒险:做大胆的事