look forward to doing 期待做某事
get used to doing 习惯于…
devote oneself to doing 献身于
be addicted to doing沉溺于；沉迷于；嗜好；使吸毒成瘾
prefer doing to doing 比起···更喜欢···
have an eye to doing打算
make a contribution to doing为…做出贡献
be reduced to沦为（He was reduced to begging in the street.他沦为沿街乞.）
reduce… to 使…沦为.（Hunger reduced him to stealing.饥饿使他沦为盗贼.）
object to 反对（He objects to beeing treated like a child.他讨厌被当成小孩看待.）
turn to转向,求助于（He has turned to keeping sheep.他已转行养羊.）
admit to承认（He admmited to having broken the glass..他承认打烂了玻璃.）
take to喜爱,开始 （She has taken to drinking recently.他最近喜欢喝酒.）
fall to 开始（After supper we fell to discussing politics..晚饭后我们开始讨论政治.）