查询词典 hard time

It may take time and hard work.

这可能需要时间和艰苦的工作。

I started working hard for the first time in my life.

我开始在我的生命中第一次努力学习。

Now is the time to work hard for the future.

现在是为未来奋斗的时候了。

It is time for some hard decisions to be made.

现在是时候了一些很难作出的决定。

I know, they Want me to study hard and not to waste time.

我明白他们想让我努力学习，不要浪费时间。

I know i'm going to make it. It may take time and hard work .

我知道我会成功，成功需要时间和努力。

All the students had been working hard for some time.

所有的学生一直在努力了一段时间。

All the students had been working hard for some time.

所有的学生一直在努力工作了一段时间。

Tom: You are right, he worked hard all the time.

你是对的。他一直都是努力工作。

It is impossible to finish them at once and needs government work hard for a long time.

这是不可能完成他们在一旦需要和政府工作的努力相当长的时间。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。