in half 成两半

I once saw a man tear a telephone directory in half.

我有一次看见一个人把电话簿撕成了两半。

Cut the cake in half widthways.

将这个蛋糕横着切成两半。

I'll be ready in half a minute.

我马上就准备好。

in hand 在进行中，待办理；有关系

We have still an hour in hand before the train leaves.

火车开走前我们还有一个小时。

I haven't any money in hand.

我手头一分钱都没有。

Your remarks do not bear on the matter in hand.

你的话和目前这件事没有关系。

in honor of 为庆祝，为 纪念

The monument is in honor of a scientist.

那座纪念碑是为纪念一位科学家而建的。

We gave a dinner in honor of our guests.

我们设宴款待客人。

It's only a party in honor of my birthday.

这只是为了庆祝我的生日而举行的晚会。

in itself 本质上，就其本身而言

The money in itself meant nothing to them.

这钱本身对他们来说是没有什么价值的。

Existing of the Earth is a miracle in itself.

地球的存在本身就是一个奇迹。

The proposal is all right in itself, but we are short of fund now.

这个提案本身很好，可我们目前缺少资金。

in line with 与……一致；与某物成一直线

Your plan is in line with my ideas.

你的计划与我的想法一致。

That isn't in line with my ideas at all.

那跟我的想法完全不一致。

Just get me in line with that tower!

只要让我和那塔在一条线上就行！