He held on to the back of a chair.

他抓住椅背。

He held on to the rope and swung across.

他抓住绳子悠了过去。

The little boy held on to the windowsill and looked out/outside.

小男孩扒着窗台向外看。

Held on to his sanity

保持神志清醒

I held on to my shotgun as moral support.

我紧紧地握住我的滑膛枪,以此表示一种精神上的支持.

He held on to the rock to stop himself slipping.

他紧紧抓住岩石以免自己往下滑。

Mother held on to the doorframe and almost fell.

母亲手扶着门框,几乎跌倒.

As the second half wore on, Argentina held on to its lead.

下半场在阿根廷领先下进展缓慢。

He held on to a branch until we came to his rescue.

他捉住一根树枝，直到我们把他救下来。

The little girl held on to the tail of his coat.

那小女孩紧紧抓住他外套的下摆。