An operation of this magnitude is going to be difficult.
一个这么大的手术会很难的。
It can be difficult to ascertain the facts.
可能难以查明事实真相。
The legislation will be difficult to enforce.
这一法规将难以实施。
An extremely low body temperature can cause the heart to beat so slowly that a pulse may be difficult to find.
VOA: special.2009.12.30
It shouldn't be difficult to see a kind of problem that is beginning to arise in Milton's text here.
这是一个很容易看出的问题,在弥尔顿的作品中也被提了出来。
Yeah, it can be difficult. If you go to...
会很难。如果你去……
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