"deflated" in Chinese (Simplified)
瘪了泄气（情绪）
Definition
如果某物瘪了，就是说它失去了空气或气体，不再充满或坚实。也可以用来形容一个人感到失望、不自信或泄气。
Usage Notes (Chinese (Simplified))
既用于物理状态（如轮胎、气球），也用于情感（形容人泄气或失望）。常与“feel”、“look”等动词搭配。不要与“inflated”（充满、膨胀）混淆。
Examples
The basketball was deflated and needed more air.
篮球**瘪了**，需要再充点气。
After hearing the bad news, he felt deflated.
听到坏消息后，他感到**泄气**。
My bike tire is deflated; I need to fix it.
我的自行车轮胎**瘪了**，我得修一修。
She looked deflated after the meeting didn’t go her way.
会议没按她想的进行后，她看起来很**泄气**。
We were all a bit deflated when our team lost the final.
我们队输掉决赛时，大家都有些**泄气**。
The once-lively party now felt oddly deflated after so many guests left early.
原本热闹的派对由于许多客人提早离开，现在感觉特别**冷清**。