It is easier to be said th//www.souquanme.coman to be done: it is easier to say sth. Than to do sth. 

说来容易做起来难。

The government not only has to do something, it must be搜趣网 seen to be doing something(= people must be aware that it is doing swww.souquanme.comth).

 政府不仅必须采取措施，而且必须让人们知道它在采取措施。

Verb phrase: be keen on doing sth. 

热衷于做某事。

Be instrumental in doing sth fwXgCxMYpor sb. 

为某人干某事出力。

Be faced with a real need to do sth. 

面临着做某事的真正需要。

Go beyond one's duty in doing sth. 

超越职权范围做某事。

Be the best time of year to do sth. 

是一年中做某事的最好时节。