容易做某事
be at pains to do sth───煞费苦心做某事
be supposed to do sth───应该做某事；被期望干某事
take care to do sth───注意做某事
the better to do sth───做某事更好
not one to do sth───没有人做某事
be nothing to do with───与…无关
not sb's place to do sth───不在某人的地方做某事
be able to───v.会；能够
get wise to sth───明白某事