undertoneun•der•tone /'ʌndətəʊn/

n

1. C,常用复 低音,小声

• speak in undertones 低声说

2. C 心底的想法，真意；潜在的感情(性质、意义等)

• There were undertones of relief in his words when he heard the good news. 听到那个好消息，他说起话来都轻松了。