be absent from sth 缺席，不在
He has been absent from his desk for two weeks.
他已经有两个星期没有坐在办公桌前了。
Jo was absent from the house all the next day.
乔第二天一整天都不在家。
be different from sth 与……不同
American English is significantly different from British English.
美国英语与英国英语有很大差异。
London was different from most European capitals.
伦敦同大多数欧洲国家的首都都有所不同。
be far from 离……远，远远不
The restaurant is not far from here.
饭店离这儿不远。
Research on the matter is far from conclusive.
对这一问题的研究还远远没有定论。
be free from sth 没有，免受
He is free from prejudice to everybody.
他对所有的人都不带有任何成见。
Probably no one is free from mistakes, only some make more and some less.
人大概没有不犯错误的，多多少少要犯错误。
be safe from sth/sb 没有……的危险
In the future people can go to a football match knowing that they are safe from hooliganism
今后人们去看足球比赛时可以不必担心会受到足球流氓的骚扰。
She thought she was safe from prying eyes and could do as she wished.
她觉得自己不会被偷窥，可以随心所欲。
be tired from 因……累
He is tired from that work.
他工作累了。
I was tired from shopping, so I advised to have a rest.
购物使我累极了，所以我建议休息一下。