n.密友；鱼饵
v.结为密友；成为室友；用鱼饵钓鱼
The lodge-keeper had a son who was a chum of Master Grossjay's. 小屋看守人有一个儿子。他是克罗斯杰少爷最要好的朋友之一。
At the banquet table , I had the good fortune to sit vis-a-vis an old school chum. 在宴会桌上，我恰巧坐在一位老同学的对面。
用作动词 (v.)They used to chum in with each other in the past. 他们过去关系很好。
Kenny tried to chum up with his new roommate but was only partially successful. 肯尼想和他的新室友拉交情，但只取得了几分成功。
He's going to chum with a friend next month instead of having a room to himself. 下个月他不独居一室了，他要和一个朋友一起住。
