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。