Seeing him hurt, I feel as if a knife were piercing my heart.

看到他受伤，我心如刀割。

Hearing her cry, I feel as if a knife were piercing my heart.

听到她的哭声，我心如刀割。

Hearing the news, I feel as if a knife were piercing my heart.

听到这个消息，我心如刀割。

Her departure makes me feel as if a knife were piercing my heart.

她的离开让我心如刀割。

The misty rain weather makes one feel as if they are in a fairyland.

烟雨天气让人感觉仿佛置身于仙境。

His description is very lively, making people feel as if they are there.

他的描述非常生动，让人仿佛身临其境。

His performance was true to life, making the audience feel as if they were there.

他的表演绘声绘影，让观众仿佛身临其境。

Every time I think of past mistakes, I feel as if a knife were piercing my heart.

每次想到过去的错误，我都心如刀割。

I feel as if I've known you for ages.

我觉得好像认识你很久了。

I feel as if I'm getting flu.

我觉得似乎要得流感。