Thin air
<非正>无影无踪，虚无的状态
🧩 词语组成解析
thin
[θɪn]
adj. 薄的;瘦的;稀少的;细的;
vt. 使瘦;使淡;使稀疏;
vi. 变薄;变瘦;变淡;
adv. 稀疏地，微弱地;
air
[ɛə]
n. 天空;气氛;空运;（简单易记的）曲调;
vt.& vi. 晾晒;烘干;播送;广播;
vt. 使房间通风， 透气;
🗣️ 情景例句
You're fooling me.
你想骗我。
It is one thing to speak much and another to speak pertinently.
话讲得多是一回事，讲得恰当是另一回事。
You must have been mad to speak to the servant! She might have called for help.
你准是疯了，竟跟这个仆人说话。她可能会大喊救命的。