be well posted up in

• 通晓； 熟悉

be well posted up in的用法和样例：

例句

1. He is well read in American history.
   他通晓美国历史。
2. Most of the students understand English well.
   这些学生中大多数通晓英语。
3. He is well posted in current politics.
   他很熟悉现出的政情。
4. This business is right up my alley.
   这种事情正是我熟悉的。

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