Preengaged
vt. 预约, 先约
🗣️ 情景例句
Why did you stop working?
你为什么要退休？
Let not the cobbler go beyond his last.
安分守己。
No one could account for the fact that one of the boxes was extremely heavy.
其中有只箱子特别重，可谁也弄不清是怎么回事。