集中注意力的英文：
zero in on

参考例句：

His speech held their attention.
他的讲话使他们集中注意力。

Tom tried to fasten his mind on his book
汤姆想集中注意力看书。

Let's look at this problem in focus.
让我们集中注意力看这个问题。

She was distracted by the noise outside.
外边的喧闹声使她不能集中注意力。

China is now in a period when it must concentrate on economic development.
中国正处在特别需要集中注意力发展经济的进程中。

He was shattered and too tired to concentrate on schoolwork.
他筋疲力尽，累得都无法集中注意力做作业。

To look steadily,intently,and with fixed attention.
凝视，注视长久地、集中地看，集中注意力地看

Don't put me off when I'm trying to concentrate.
我正要集中注意力呢,别打搅我.

I was still trying to dislodge the stupid feeling of suspicion, and I couldn't concentrate.
我仍在努力把愚蠢的多疑的念头从脑海里驱逐出去，没法集中注意力。

zero是什么意思：
n. 零；零点；零度；没有
v. 瞄准；聚焦

These suitable values will be zero or infinity.
这些适当的数值可以是零，也可以是无穷大。

Make sure you are not dividing by zero.
确保不会除零。

The temperature will be above zero.
气温将在零度以上。

His hope was reduced to zero.
他的希望化为乌有。

These suitable values will be zero or infinity.
这些适当的数值可以是零，也可以是无穷大。