O'
prep. “of”的缩写(如o'clock等), “on” 的缩写
🗣️ 情景例句
I'm so tired, I have to take a nap when I get home.
我太累了，回到家后一定要睡上一会儿。
It is as well to know which way the wind blows.
识时务者为俊杰。
You really look sharp today.
你今天真漂亮。