hold one's breath 屏息以待

Hello, 各位亲爱的朋友大家好，今天和大家分享的是：

hold one's breath 屏息以待

A: Bill said he'd help clean the house.

B: If I were you, I wouldn't hold my breath. He never helps clean.

(A: 比尔说他会帮忙整理家里。)

(B: 我若是你，才不会等着他做。他从不会帮忙打扫。)