On behalf of

PHR代表**

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

貓代表狐狸發了言，因為他們有很多共同點。

Undoubtedly

ADV毫無疑問地

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

正如太陽從東方升起，它肯定會在西方落下。

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條搞笑的褲子，他就會去參加派對。

Relax

V放松

Taking a bath is a good way to relax yourself。

泡澡是一種很好的放松自我的方式。

Upstairs

ADV往樓上ADG樓上的

The dog ran upstairs to be eat his food.

狗狗上樓去吃食物。

Via

PREP經過

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

我們離開廣州，乘大巴經武漢去北京。

Visual

ADJ看的

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

關于裙子顔色的争論實際上是一個視覺遊戲。

Volume

N量

I turned the volume up to listen to the radio。

我把收音機音量調大來聽廣播。

On guard

PHR（保持）警惕

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

我不用擔心我的東西，因為有我的狗在站崗。

Satisfy

V滿足

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

男孩去快餐店滿足了自己想吃漢堡的欲望。

Wet

ADJ濕的V把**弄濕

He got wet because of the rain。

因為下雨，他被淋濕了。

Whisper

V小聲說N私語

The little boy is whispering something to his grandfather。

這個小男孩正在和他的爺爺說悄悄話。

On occasion

PHR偶爾

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

她不僅做日語翻譯，偶爾也做些韓語翻譯。

Witness

N目擊者V目擊

The little girl is the only witness of the accident。

小女孩是這場事故的唯一目擊者。

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，她很想要一隻狗；另外一方面，她對狗過敏。

Agenda

N議程

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

我們應該把哪些議題放入下午的會議議程中？

Disgusting

ADJ令人厭惡的

He finds the smell of the sock disgusting。

這隻襪子的味道實在讓他惡心。

Threat

N威脅

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

這個大塊頭正在威脅那個穿藍衣服的人。

On sale

PHR廉價出售

All the shoes are on sale today。

今天所有的鞋子都在打折。

Trousers

N褲子

She wears a pair of yellow trousers。

她穿了一條黃色的褲子。

On schedule

PHR按預定時間

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

隻有來自莫斯科的航班按時到達，其他航班全體延誤。

On the contrary

PHR于此相反

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

一隻狗非常大，另一隻正好相反，非常小。

Burglar

N竊賊

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

警官，我覺得我的房子裡有個竊賊。

On the point of

Phr正要**的時候

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

她正要對他說些什麼的時候，電話響了。

Overall

ADJ全面的N工裝服

A good student should maintain overall development。

三好學生應該全面發展。

Allowance

N零用錢

He has an allowance of 3000 dollars every month。

他每月有3000美元零用錢。

On the spot

PHR馬上

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

目睹車禍發生後，他立刻撥打了急救電話。

Account

N賬戶V做出說明

I have no money in my bank account。

我的銀行賬戶裡沒有錢。

Ambition

N雄心

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