be held to;be held out;be held on;be held up;分别是什么意思？？？？？？

只要意思就好了，快，谢谢！！

可以说be held by吗 2012 Olympic Games will be held in?? 翻译一下Problem reviews should be held ......... be held prisoner短语的意思 Are you going to attend the meeting to be held nest meeting？ He has left beijing, ___ a meeting is to be held. his urge to go is held in cheek by his desire not to be rude to his guest--- Gravitation cannot be held responsible for people falling in love! In what country will the 2006 World Cup be held? will be held……这是什么结构时态？