They may also make a whistling or squeaky sound, called wheezing, when they breathe.

VOA: special.2009.07.28

The man was trying to say something, but he was only wheezing.

那个男人想要说些什么，但他只能喘息。

耶鲁公开课 - 1945年后的美国小说课程节选

One sign of it is a wheezing sound when the person breathes.

VOA: special.2010.06.23

Other symptoms include wheezing, a chronic cough producing yellow mucous, and frequent respiratory infections.

VOA: standard.2010.06.21