But Dad was so exhausted when he came home from work.
但爸爸工作回来时已经累得不得了了。
Almost everyone is aware of environmental problems in America.
在美国,几乎人人都注意到环境问题。
Men accustomed to struggling for survival against the elements and Indians were bewildered by politicians, bankers and businessmen, and unhorsed by fences, laws and alien taboos.