1、impression

印象;感想

What were your first impressions of college?

你對大學的第一印象是什么？

My impression is that they are totally out of control.

我的感覺是它們完全失去了控制。

(通常有悖事實的)感覺,假象

I don't want to give the impression that I'm running away from the charges.

我不想給人一種我在逃避指控的感覺。

He cleverly inserted mirrors above the window to create an impression of space.

他巧妙地在窗子上面鑲嵌了幾面鏡子，以營造一種空間感。

產生影響;起作用

He has told me his plans and he's made a good impression on me.

他告訴了我他的計劃,給我留下了一個好印象。

The aid coming in has made no impression on the horrific death rates.

逐漸到達的救援對可怕的死亡率并沒有起到什么作用。

2、hold back

（使）猶豫;（使）退縮

The administration had several reasons for holding back.

政府因為幾個原因而猶豫不決。

Melancholy and mistrust of men hold her back.

憂郁的性格和對男人的不信任使她裹足不前。

阻擋;阻止

Stagnation in home sales is holding back economic recovery.

國內銷售的停滯不前正阻礙著經濟復蘇。

Jake wanted to wake up, but sleep held him back.

杰克想要醒來，但睡意使他又沉入夢鄉。

抑制住,忍住(眼淚、笑聲等)

She kept trying to hold back her tears.

她一直在試圖抑制住眼淚。

He could no longer hold back convulsive laughter.

他再也忍不住，前俯后仰地大笑起來。