He held on to the back of a chair.

他抓住椅背。

His arm was held in a vice-like grip.

他的胳膊被紧紧抓住，像被虎钳夹住一样。

She held me tightly by the arm.

她紧紧抓住我的胳膊。

He held on to the rope and swung across.

他抓住绳子悠了过去。

He held her by the arm.

他抓住她的胳膊。