He stooped down, cut the stem for her with his knife and handed her the flower.

他弯下腰，用刀替她割下花茎，然后把花递给她。

《柯林斯英汉双解大词典》

He knelt and with his knife cut the lifeless-looking branch through, not far above the earth.

他跪下来，在离地面不远处，用他的刀向那根看上去毫无生气的树枝砍了下去。

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He cut his name into the bark with his knife.

他用小刀把自己的名字刻在树皮上。

youdao

You can cut the tension with a knife and rest assured it does not help your performance or confidence.

BBC: Alan Hansen's column

In an emergency you can cut the cords with a knife.

FORBES: Hook In and Hold On

The court heard that he was struck with such force that the knife cut into his spine.

BBC: John Hyndman