On behalf of

PHR代表**

The cat spoke on behalf of the fox，since they have so much in common。

猫代表狐狸发了言，因为他们有很多共同点。

Undoubtedly

ADV毫无疑问地

Just as the sun rises in the east，it undoubtedly sets in the west。

正如太阳从东方升起，它肯定会在西方落下。

On condition that

PHR如果

He’ll go to the party on the condition that his friend wears the funny trousers。

如果他的朋友穿上那条搞笑的裤子，他就会去参加派对。

Relax

V放松

Taking a bath is a good way to relax yourself。

泡澡是一种很好的放松自我的方式。

Upstairs

ADV往楼上ADG楼上的

The dog ran upstairs to be eat his food.

狗狗上楼去吃食物。

Via

PREP经过

We left Guangzhou，taking the bus to Beijing via Wuhan.

我们离开广州，乘大巴经武汉去北京。

Visual

ADJ看的

The dedate over the dress color is actually a visual trick。

关于裙子颜色的争论实际上是一个视觉游戏。

Volume

N量

I turned the volume up to listen to the radio。

我把收音机音量调大来听广播。

On guard

PHR（保持）警惕

I don’t have to worry about my things because my dog is on guard。

我不用担心我的东西，因为有我的狗在站岗。

Satisfy

V满足

The boy went to a fast food restaurant to satisfy his desire for a hamburger。

男孩去快餐店满足了自己想吃汉堡的欲望。

Wet

ADJ湿的V把**弄湿

He got wet because of the rain。

因为下雨，他被淋湿了。

Whisper

V小声说N私语

The little boy is whispering something to his grandfather。

这个小男孩正在和他的爷爷说悄悄话。

On occasion

PHR偶尔

She not only does japanese translation but also，on occasion korean。

她不仅做日语翻译，偶尔也做些韩语翻译。

Witness

N目击者V目击

The little girl is the only witness of the accident。

小女孩是这场事故的唯一目击者。

On one hand

PGR一方面

On one hand，she’d love a dog；on the other hand，she’s allergic to them。

一方面，她很想要一只狗；另外一方面，她对狗过敏。

Agenda

N议程

What topics should we put on the agenda for our a aftermoon meeting？

我们应该把哪些议题放入下午的会议议程中？

Disgusting

ADJ令人厌恶的

He finds the smell of the sock disgusting。

这只袜子的味道实在让他恶心。

Threat

N威胁

The big guy is making a threat to the man in blue。

这个大块头正在威胁那个穿蓝衣服的人。

On sale

PHR廉价出售

All the shoes are on sale today。

今天所有的鞋子都在打折。

Trousers

N裤子

She wears a pair of yellow trousers。

她穿了一条黄色的裤子。

On schedule

PHR按预定时间

The flight from Moscow arrived on schedule but all the others are delayed。

只有来自莫斯科的航班按时到达，其他航班全体延误。

On the contrary

PHR于此相反

One dog is very big；the other ，on the contrary，is very small。

一只狗非常大，另一只正好相反，非常小。

Burglar

N窃贼

Officer，I think there’s a burglar in my house。

警官，我觉得我的房子里有个窃贼。

On the point of

Phr正要**的时候

She was on the point of saying something to him when the phone rang。

她正要对他说些什么的时候，电话响了。

Overall

ADJ全面的N工装服

A good student should maintain overall development。

三好学生应该全面发展。

Allowance

N零用钱

He has an allowance of 3000 dollars every month。

他每月有3000美元零用钱。

On the spot

PHR马上

After he saw the accident he called the emergency services on the spot。

目睹车祸发生后，他立刻拨打了急救电话。

Account

N账户V做出说明

I have no money in my bank account。

我的银行账户里没有钱。

Ambition

N雄心

This powerful man’s political ambition was to unify the three kingdoms。