jąkanie się 用英语:

He dialled 999 and stammered (out) his name and address.

he spoked with a slight stammer

Instead, I stammered something about how high up he was.

He stammered out an inquiry as to who the person might be

James Rodriguez used to stammer but sometimes he still does

My friend stammers when he gets nervous and it’s hard to understand him.

He stammered a litlle and looked put out.

Many children stammer but grow out of it. Ww-what?' he stammered. She was barely able to stammer out a description of her attacker

He blushed and began to stammer.

I stammered a bit when I was a boy.

When I tried to speak to her, I always found myself too shy to do more than stammer or say something stupid.

stutter - jąkanie się

"C-c-can we g-go now?" she stuttered.

I managed to stutter the reply.

When she began to stutter, her classmates couldn't help laughing.