1.blot out 遮蔽

例句：About the time the three climbers were halfway down, clouds blotted out the sun.

当这3个登山者下到半山腰的时候，云层遮住了太阳。

2.stay off 远离

例句：You'll have to stay off wine and cigarettes if you want to recover.

如果你要恢复健康,就得戒烟戒酒.

3.be able to 能够

例句：Chantal was lucky to be able to salvage her career.

尚塔尔能保住她的事业算是走了运。

4.at a standstill 停止

例句：Transportation was at a standstill.

交通瘫痪。