stutter

口吃、结巴

He stutters when he has to speak in front of strangers.

他必须在陌生人面前讲话时会结巴。

结结巴巴地说、吞吞吐吐地说

She stuttered an apology and hurried out of the room.

她结结巴巴地道了歉，就匆匆离开房间。

断断续续运转、顿挫

The engine stuttered a few times before it finally died.

引擎断断续续运转了几下，最后就熄火了。

口吃、结巴

He has a slight stutter that shows up only when he is tired.

他有轻微的口吃，只在疲倦时才会出现。

断续声、顿挫

There was a strange stutter in the sound from the speakers.

喇叭传出的声音有种奇怪的断续感。