So I decided to change my will the last few days in case I croak.

所以，过去几天我决定改我的遗嘱，以防万一那天我死了。

youdao

I think the doctors were worried that I was going to croak on their watch.

我想医生们都担心我会在他们当班的时候断气。

《柯林斯英汉双解大词典》

I had a sore throat and could only croak.

我喉咙痛，只能哑着嗓子说话。

《牛津词典》

At the other end of the line I heard something like a croak.

NEWYORKER: Clara