/'əʊpnə(r); `opənɚ/
n (usu in compounds 通常用以构成复合词)
1 person or (esp) thing that opens 开启的人或（尤指）工具
*a `tin-opener
* a `bottle-opener.
2 (idm 习语) for `openers (US infml 口) for a start; as a beginning 作为开始
*For openers we'll get rid of this old furniture. 我们首先要把这些旧家具搬走.

n[C]
a tool that is used to open cans, bottles etc
　a can opener
　a bottle opener
the first of a series of games in a sports competition
　They are hoping to win tomorrow's opener against New Zealand.
for openers
a)BrE as a beginning or first stage
　For openers, the band played a couple of old Beatles songs.
b)AmE used to give one reason, explanation etc for something, although there are others you might mention later too
　It's tough being a reporter. For openers, there are the long hours.