Be formed of
由…形成
?? 詞語組成解析
be
[bi]
v. 是;有，存在;做，成為;發生;
aux. 用來表示某人或某物即主語本身，用來表示某人或某物屬于某一群體或有某種性質;
a. 成形的, 成形
of
[?v]
prep. 關于;屬于…的;由…制成;
aux. 助動詞 [非標準用語、方言] =have [主用于虛擬語氣];
??? 情景例句
And how are you going to stop him?
那， 怎么去阻止他呢？
Be a man!
要像個男子漢！
Though my aunt pursued what was, in those days, an enlightened policy, in that she never allowed her domestic staff to work more than eight hours a day, she was extremely difficult to please.
姑媽待傭人在當時算是開明的，從來不讓傭人每天工作超過8小時，但他們很難使她稱心如意。