Know one's business
精通自己一行
🧩 词语组成解析
know
[no]
v. 知道;了解;认识;确信;
n. 知情;
a. 人们的；自己的
business
[ˈbɪznɪs]
n. 商业，交易;生意;事务，业务;职业，行业;
🗣️ 情景例句
but I think I can be of some help to you.
但我觉得我可以对你略有帮助。
The city is under financial pressure.
本市正遭遇财政困难。
We will use it for cleaning the inside of the ship. If we do this, we shall have less sickness. Please get me 300 litres. I think that will be enough.
我们将要用醋清理船舱。如果我们这样做的话，我们就会少生些病。请给我购买300升。我想这就够了。