titter

1. V-I If someone titters, they give a short nervous laugh, especially when they are embarrassed about something. 竊笑

Mention sex therapy and most people will titter in embarrassment. 提到性療法，許多人會尷尬地竊笑。

2. N-COUNT Titter is also a noun. 竊笑

Mollie gave an uneasy little titter. 莫莉不自在地微微竊笑了一下。

3. titteringN-UNCOUNT

There was nervous tittering in the studio audience. 演播室觀眾席中傳來緊張的竊笑聲。