1. C 同伴，伙伴　 person or animal that goes with, or spends much time with another
2. C 成双成对的物品之一　 one of a matching pair or set of thing

　make a ～ of sb　与某人做伴
　seek a ～　寻找伙伴
　shake off ～　与友绝交
　agreeable ～　情投意合的伴侣
　daily ～　朝夕相处的伴侣
　devoted ～　忠诚的伙伴
　evil ～　坏朋友
　faithful ～　忠实的伙伴
　fit ～　和睦的伙伴
　former ～　从前的伙伴
　lifelong ～　终身伴侣
　pleasant ～　合意的伙伴
　trusted ～　值得信赖的伙伴
　undesirable ～　不理想的伙伴
　valuable ～　有用的伙伴，宝贵的伙伴
　boy ～　少年男伴
　chance ～　偶然相识的伙伴
　life ～　终身伴侣
　seat ～　同座伙伴
　study ～　参考书
　as a ～　看作伙伴
　～ at arms　战友
　～ for life　终身伴侣
　～ in arms　战友
　～ in crime　同犯者
　a ～ of fools　一伙愚人
　～ through life　终身伴侣

　Both my travelling companion and I wanted to go to Waterloo—that historic battlefield.　我的旅游伙伴和我都想去滑铁卢——那个历史上著名的战场。
　He was perverted by his evil companions.　他被坏伙伴引入歧途。
　The seeing eye dog was the blind man's constant companion.　导盲犬是盲人的忠实伙伴。
　A dictionary is his constant companion.　词典是他忠诚的伙伴。
　She looked around for her probable companions.　她环顾四周寻找可能的同伴。
　They were working companions.　他们是同事。
　The companion volume will soon be published.　这卷书的姊妹篇即将问世。

 ♣ a companion for
　（某人）的同伴　partner of sb
　The little girl will be a companion for my small daughter.　那小女孩将作我小女儿的同伴。
　He's not much of a companion for me.　他和我不大合得来。
 ♣ a companion to
1. （某人）的同伴 partner of sb
　She became a companion to a foreigner.　她成为一个外国人的同伴。
　I worked as a companion to an old princess.　我曾给一位老公爵夫人当过陪伴。
2. 能与…相匹配的东西 matchable sth
　I used to have a companion to that ornament, but I broke it.　我原来还有一件装饰品和那一个配对，可是我把它弄坏了。
　That book forms a companion to the present volume.　那本书与现有的一册成为姐妹篇。

 ♣ companion, associate, company, comrade
　这组词都可表示“同事”“同伴”“朋友”。其区别是：associate指由于共同的职业、地位、利益而经常联系的人；companion强调共同度过闲暇时建立起来的友谊联系；company主要指想法相似，但没有深交的“同伴”“朋友”; comrade指与某人在观点或事业上有一致性和利害关系的“战友”或“同志”。例如：

　［同义词］ associate, colleague, comrade, friend, mate, partner
　［词源］　晚期拉丁语compaio （同另一人一起分享面包的人）