ill seen的用法和样例：
例句
用作形容词 (adj.)
- The physist was well seen in Russian.
这位物理学家精通俄语。 - John seems like a man who has seen the world and knows a lot about everything.
约翰似乎好象是一个很有生活经验的人，事事精通。
词汇搭配
- be ill seen 不懂
