buddy

名词 buddy:

1. a close friend who accompanies his buddies in their activities
   同义词：brother, chum, crony, pal, sidekick

1. A pal; a buddy.
   好友; 伙伴
2. A partner, especially one of a pair or team associated under the buddy system.
   伙伴合作者，在指在水底双人侦察制中在一组或一队中合作的人

bud.dy

n.（名词）
【复数】 bud.dies
A good friend; a comrade.
密友；同志
A partner, especially one of a pair or team associated under the buddy system.
伙伴：合作者，在指在水底双人侦察制中在一组或一队中合作的人
Friend or comrade; chum. Used as a form of familiar address, especially for a man or boy:
兄弟：朋友或同志；兄弟。用作一种熟悉的称呼，尤其是对男人或男孩：
例句：
Watch it, buddy.
兄弟，当心

v.intr.（不及物动词）
bud.died,bud.dy.ing,bud.dies
To associate as a buddy or buddies:
如伙伴般交往，合作：
例句：
buddied around with the older guys.
象伙伴似的同老人们交往

<常用词组>buddy up
To ingratiate oneself, as by presuming friendship:
逢迎：讨好某人如通过利用友谊：
例句：
buddied up to the coach in hopes of making the team.
为了组队而讨好教练

来源：
Probably alteration of brother
可能为 brother的变化