I used to visit a speech therapist every week because I had a stammer.我以前有口吃，每个星期都要去看言语治疗师。Dixon had a disposition to stammer.狄克逊有口吃的习惯。He's got a stutter.他有口吃的毛病。I used to stutter when I was a child.我小时候有口吃的毛病。He used to stutter, but he cured himself of the habit.他曾有口吃的毛病，但已矫正了。