titter

Mention sex therapy and most people will titter in embarrassment.

提及性治疗，大多数人会尴尬地偷笑。

The curtain went down on a titter and some groans.

幕在嗤笑和哼哈声中落下.

There was an indrawn breath of horror from the audience and then the anxious and titter.

观众里传来因恐怖而倒吸气的声音,然后便是一直不停的不安的窃笑声.

Mollie gave an uneasy little titter.

莫莉不自在地轻声干笑了一下。