您要查找的是不是：
- I'm very sorry not to tell you the truth for a certain reason. 由于某种原因,我非常抱歉不能告诉你真相。
- The railroad gives free transportation for a certain amount of baggage. 铁路免费运送的行李是有一定数量的。
- I must have a reason for a certain hypothesis. 我必须为一种假设找到理由。
- Aspirin is a certain cure for a headache. 阿斯匹林是治头痛的妙药。
- After being trained for a certain period, they will go back to their own department. 在培训一个时期后，他们将回到自己的岗位上去。
- Public houses are licensed to sell alcoholic drinks for a certain number of hours per week. 酒店执有酒类经销许可证，每周可按一定时数出售。
- We have to be prepared for a certain amount of friction. 我们必须有发生摩擦的心理准备。
- I am just one discrete unit discharged here for a certain purpose. 我只是由于某种目的被释放到这儿的一个各别个体。
- It takes a certain nerve for a comedian to try a throwaway line. 喜剧演员须有相当勇气才敢在台词中随意地说一句话。
- At a certain point, the Astra will stop for a short time. 在某一位置上，“阿斯特拉”号特作短暂的停留。
- Put your application to sleep for a certain number of milliseconds. 让你的应用程序睡眠指定的秒数。
- Metamorphosis into an animal for a certain amount of time. 快速变化为动物,持续一段时间。
- One suited by nature for a certain purpose or function. 一个天生适合做某事的人。
- It takes a certain nerve for a comedian to try a throwawayline. 喜剧演员须有相当勇气才敢在台词中随意地说一句话。
- A person's education does not fit him for a certain job. 所学非所用
- Let's go for a picnic by the riverside. 我们到河边野餐去吧。
- To put or leave(a vehicle) for a time in a certain location. 停车，停放临时放或停留（车辆）在某一地方
- To put or leave (a vehicle) for a time in a certain location. 停车，停放：临时放或停留（车辆）在某一地方
- It is natural for a cat to catch mice. 猫捉老鼠是本能。
- SQL in a certain sense has done that for a certain type of database problem. SQL在一个某感觉中有为一个某类型的数据库问题做那。
