平时伪装得很好的冷酷，对着他那深邃的眼睛，一下子崩溃了。

Usually well-camouflaged cold, was deep into his eyes, suddenly collapsed.

youdao

那封信一下子让他没有了把握。

The letter had destroyed his certainty at one blow.

youdao

突然，他那原本严肃的神情一下子放松下来，脸上也绽开了笑容。

Suddenly his face relaxed and creased into a huge smile.

youdao

突然，他那原本严肃的神情一下子放松下来，脸上也绽开了笑容。

Suddenly his face relaxed and creased into a huge smile.

youdao