来自古英语 stamerian,口吃，结巴，来自 Proto-Germanic*stamro,口吃，可能为拟声词，模仿 说话不清的声音，-er,表反复。

1. Five per cent of children stammer at some point.

5%的儿童在某个时期会口吃。

2. A speech-therapist cured his stammer.

一位言语矫治师治愈了他的口吃。

3. He turned white and began to stammer.

他脸色发白，说话开始结巴。

4. Most children who stammer grow out of it.

大多数口吃的儿童长大以后就好了。

5. Many children stammer but grow out of it.

很多小孩口吃，但长大就改过来了。