1、express

表達;表述

He expressed grave concern at American attitudes.

他對美國的態度表示嚴重關切。

Sumner would greet us with frowns and grimaces, doing his best to express wordless disapproval.

薩姆納會沖我們皺眉，做苦臉，竭力表示他無言的反對。

（觀點、感情等）體現，不言自明

The anxiety of the separation often expresses itself as anger towards the child for getting lost.

離散帶來的焦慮常常體現為對走失的孩子發火。

（目的或意圖）明確的，特別的

I had obtained my first camera for the express purpose of taking railway photographs.

我已經買了我的第一架照相機，專門用來拍攝鐵路。

2、underneath

在…下面；在…底下

The device exploded underneath a van.

該裝置在一輛貨車底下發生了爆炸。

using dogs to locate people trapped underneath collapsed buildings.

利用狗來尋找被困在倒塌的樓房下面的人

在下表面；在底面

Check the actual construction of the chair by looking underneath.

看看椅子的下面，檢查一下它的實際構造。

The sand martin is a brown bird with white underneath.

崖沙燕是一種褐羽白腹的鳥。

在內心深處；心底里

He was as violent as Nick underneath.

在內心深處，他和尼克一樣暴躁不安。

Underneath, Sofia was deeply committed to her husband.

索菲婭從內心里對丈夫忠貞不貳。