快帮我做几道翻译啊！

来源：百度知道 编辑：UC知道 时间：2024/07/02 12:39:06
1 我肯定他能信守诺言的(sure)
2 你应该学会聚精会神的看书(concentrate)
3 不久以后一些药品的价格将在一次下调(before)
4 他一下火车我就发现他把电脑忘在凳子上了(hardly)
5 你也老大不小了，究竟是追赶时尚还是穿出自己的风格有你自己决定(up to)

I'm sure he will keep his promise.
You should learn to concentrate on your books when reading.
It's not long before the medinine price drops.
Hardly had I found his computer when he got down the train.
You are old enough,and It's uo to you whether to be fashionable or show your own style.