讲解：
set sth up
安装好,装配好,调试好(设备或机器):
She set up her stereo in her bedroom.
她把立体声音响装在了卧室里。

How you doing?
你好。

out of league
(质量、能力等的)等级,级别,水平:
A house like that is out of our league (= too expensive for us).
那样的房子不是我们这号人买得起的。

hedge sb's bets
(为防止损失或出错)几面下注,有几项选择可选取
He's just hedging his bets.
他只是不想太莽撞。

sure (of / about sth) | ~ (that...)
确信；确知；肯定；有把握
Is that John over there?' ' I'm not sure.'
"那边那个人是约翰吗？" "我说不准。"

contemplate sth
考虑；思量；思忖
You're too young to be contemplating retirement.
你考虑退休还太年轻。