tired

I felt so tired after the overnight flight that I fell asleep in the taxi.

(Chinese) 熬过通宵航班后我感到非常疲倦，以至于在出租车上睡着了。

His tired eyes showed that he had been studying for the exam all night.

(Chinese) 他疲惫的双眼显示他整晚都在为考试而学习。