她重重地叹了口气，脸上显露出深深的失望。

She sighed ___heavily, her face showing a deep sense of ___disappointment.

这款新手机的性能令人大失所望。

The performance of this new phone is a huge ___disappointment.

看到考试成绩后，她脸上露出了明显的失望。

Her face showed clear ___disappointment when she saw the exam results.