1. be excused for 可以理解
Smith can be excused for his lack of interest in the course.
史密斯對這門課不感興趣是可以理解的hR^[Po&g;o1yqs=bgL~,。

2. hinge on sth. 取決于
Mr Obama has so far been unwilling to support such measures, but his resolve may hinge on the mood of the electorate.
奧巴馬迄今為止一直不愿支持這些舉措，但他的決定可能還是要取決于選民的情緒6fqA#qpfZ+,0q_。

3. put on sth. 上演
Will any country ever be able to afford to put on such a spectacle?
有任何國家能像中國這樣上演這樣的奇景觀嗎？

4. play hardball with 跟……硬碰硬
The company is prepared to play hardball with the union.
公司決定跟工會硬碰硬_L3tYXjn&k%5_3~z|+G。