Be difficult of
難以,不易…
?? 詞語組成解析
be
[bi]
v. 是;有，存在;做，成為;發(fā)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(zhì);
of
[?v]
prep. 關(guān)于;屬于…的;由…制成;
aux. 助動(dòng)詞 [非標(biāo)準(zhǔn)用語、方言] =have [主用于虛擬語氣];
??? 情景例句
I sure do....
我當(dāng)然記得……
I am sorry to keep you waiting.
真抱歉，讓你久等了。
She's been there for two months. She's been there since September.
她進(jìn)校有兩個(gè)月了。她自9月份起便在那兒學(xué)習(xí)了。