1. He tends to stammer when he gets nervous.
他在紧张的时候往往会口吃。

2. The child's stammer disappeared as he gained confidence.
随着孩子信心的增加，他的口吃消失了。

3. She tried to control her stammer during the important presentation.
她在重要演讲中尽力控制自己的口吃。

4. The actor's stammer added a realistic touch to his character.
演员的口吃为他的角色增添了真实感。

5. He has been working with a speech therapist to overcome his stammer.
他一直在和言语治疗师合作，努力克服口吃。

6. The teacher was patient and understanding with the student who had a stammer.
老师对那位口吃的学生耐心并且理解。