be hard for sb to do sth是什么意思?
be hard for sb to do sth是什么意思?
是hard for sb donging sth还是hard for sb to do sth
be critical for sb to do sth
sb be bound to do sth是什么意思
英语翻译It's hard for sb.to do sth.快
用it is hard for sb to do sth造句
it is probably hard for sb to do sth
It's too hard for sb to do sth.
it is difficult for sb to 和 make sb hard to do sth 有什么区别?
It+be+形容词+for/of sb to do sth
be important to sb.与It is important for sb.to do sth.与 sth.i
for sb to do for sth to be done of sb to do for there to be