不及物动词窃笑，傻笑

名词短促而神经质的笑

1. 嗤笑：titration 滴定 | titter 嗤笑 | tittivate 打扮

2. 窃笑：傻笑 giggle | 窃笑 titter | 喧笑 guffaw

3. 吃吃笑：噗哧笑 chuckle | 吃吃笑 titter | 傻笑 giggle

4. 窃笑;忍笑：he smirked at everyone that passed . 他对过路的每个人傻笑. | 9、 titter--窃笑;忍笑 | he told me that with a titter . 他笑着告诉了我.

1. (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.

e.g. 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。