stammer

口吃、結巴、說話結結巴巴

He stammers badly whenever he has to speak in public.

他一要在眾人面前說話就結巴得很嚴重。

結結巴巴地說出、支支吾吾地說常與 out 連用

She stammered out an apology and hurried toward the door.

她結結巴巴地道了歉，就匆匆走向門口。

口吃、結巴

Speech therapy helped him overcome his stammer as a child.

語言治療幫助他在童年時克服了口吃。