Know one's stuff
精通自己的业务
🧩 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
stuff
[stʌf]
n. 材料，原料，资料;〈俚〉钱，现金;填充物;素材资料;
vt. 塞满;填塞;让吃饱;
vi. 吃得过多;
🗣️ 情景例句
We'd like to give thanks for meeting Susan
我们要感谢认识了Susan
How did you break your leg?
你怎么弄断了腿？
He had his supper, listened to the radio, read a newspaper and then went to bed.
他吃晚餐，听收音机，读报纸，然后睡觉。