Several books that were very important for my work were lost in the fire, and it's going to be difficult to gather the threads. 在火災中好幾本對我的工作很重要的書(shū)丟了，因此這工作要繼續下去將是很困難的。
The new law about safety belts in cars will be difficult to enforce. 規定系汽車(chē)安全帶的新法規將難以實(shí)施。
It would be difficult to tip the political scales so late in the campaign. 競選已進(jìn)行到這么晚的階段，要想扭轉政局是很難辦的。
It will be difficult to live down this humiliation. 這個(gè)恥辱忘掉是難以做到的。
