Sales shot up by 9% last month...
销售量上个月猛增了9％。
2.attached to附属于；依恋
The hospital is attached to a medical college.
这所医院附属于一家医学院。
3.Hold on握住；抓牢
Hold on and don't let go until I say so.
握紧，我让你松手时再松开。
4.tend to倾向于；有助于
In our culture we tend to be bashful about our talents and skills.
在我们的文化中，我们往往羞于谈论自己的才干和技能。
