头部受到击打后，他摇摇晃晃地走向门口。

After the blow to his head, he ___staggered towards the door.

他们在松动的岩石上踉跄而行，努力保持平衡。

They were ___staggering on the loose rocks, struggling to keep their balance.

老人踉跄着站起来，紧紧抓住椅子扶手支撑身体。

The old man ___staggered to his feet, gripping the arm of the chair for support.