doze

The elderly man began to doze in his armchair while the warm afternoon sun shone through the window.

(Chinese) 温暖的午后阳光照进窗户，老人开始在他的扶手椅上打盹。

I often doze off for twenty minutes on the train during my long commute home.

(Chinese) 在漫长的回家通勤路上，我经常在火车上打盹二十分钟。