dumbness例句

His dumbness means that he isn't interest in this kind of things.
他的沉默表明他对这种事情不感兴趣.

In particular, the dumbness would appear to be aggravated by stress.
特别是, 压力会让沉默变得更为严重.

We regard her dumbness as the acknowledgment.
我们把她的沉默看作是同意.