She felt short of breath and flushed.

她感到气短,脸也红了。

Do you feel short of breath?

你觉得气急吗？

Yes, sometimes I feel short of breath.

是的，有时我感到喘不过气来。

Do you feel short of breath sometimes?

有时你觉得喘不过气来吗？

To cause to be out of or short of breath.

使喘息使气急或使呼吸困难。