Word forms: plural, 3rd person singular present tense titters, present participle tittering, past tense, past participle tittered
VERB (尤指窘迫时)干笑,傻笑,窃笑,哧哧地笑 If someone titters, they give a short nervous laugh, especially when they are embarrassed about something. (尤指窘迫时)干笑,傻笑,窃笑,哧哧地笑
Mention sex therapy and most people will titter in embarrassment. [VERB]