smiled in response
笑了笑作為回應
I had to smile in response, his grin was so impish.我不得不以笑容回應。
To the camera, the Tramp beams a warm smile in response to the amusement he has provided.流浪漢則是以對攝影機露出一個熱情的笑容，來回應他所提供的這段馀興節目。

apologize for
為 ... 而道歉
I must apologize for my discourtesy in arriving late.
我要為遲到失禮而道歉。
How else can I apologize for her?
我還能有別的方法可以向她道歉嗎？

irrational
n.無理數
adj.無理性的；不合理的
But it would never occur to anyone to call their method planless and irrational.
但誰都不會想到稱他們的方法是無計劃無理性的。
Disregarding our zealous interest on the product, we discovered something which was considered irrational and unacceptable by us.
在產品上不理我們的熱心的興趣，我們發現被考慮被我們無理性的和不能接受的某物。

grim tone
冷酷的語氣
Swimming is the best way to tone up your body.游泳是健體強身的最好方法。
I admire him for his grim courage.我佩服他的堅韌不拔的勇氣。
His peremptory tone of voice irritated everybody.他那專橫的口氣激怒了大家。

pulled him off you
把他從你身上拖開

A flash of painful images
痛苦的畫面一閃而過