be familiar with的用法和樣例：
例句
- I am not familiar with chemical terms.
我不熟悉化學術語。 - He is conversant with all the rules.
他對全部規則都很熟悉。 - He is familiar with Chinese ancient history.
他通曉中國古代史。 - His familiarity with many strange languages surprised us all.
他通曉多種不尋常的外國語，這使我們大家感到驚訝。 - An army commander must be skilled in tactics.
一名軍事指揮官必須精通戰術。 - I wish I could be a master of this subject.
但願我能精通這門學科就好了。
