be up in的用法和樣例：
例句
- He must be an expert in his military duties.
他還應熟悉其軍事職責。 - This business is right up my alley.
這種事情正是我熟悉的。
辭彙搭配
- be wrapped up in 被包在 ... 里...
- be high up in the pictures 取得成功
be up in的相關資料：
臨近單詞
Bemba
be
be beleaguered with annoyance
be within one's discretion to
Be that reasonably clear?
be regardful of one's promise
be beyond one's comprehension
be forced to relinquish power
be destroyed by an earthquake
be overcome with astonishment
be unruffled whatever happens
Be hill road first right?
