1.bid on 投标

例句:How many firms bid on the contract to build the bridge?
有多少家公司投标争取那座桥的营造权?

2.sneak in 渐显，淡入

例句:Steerforth said there was nothing of the sneak in Traddles.
史朵夫说,特莱德一点也没有鬼鬼祟祟的小人那样品质。

3.even if 即使；纵然

例句:I wouldn't lose courage even if I should fail ten times.
即使要失败十次, 我也绝不灰心。