躺在床上的老汉哼哼两声，道：“凌晨4点起床，肯定是困啊。”

躺在床上的老汉哼哼两声，道：“凌晨4点起床，肯定是困啊。”

Results (English) 1:

The old man lying in bed hummed and said, "It's definitely sleepy to get up at 4 am."

Results (English) 2:

The old man lying in bed hummed and said, "Get up at 4 a.m. must be sleepy." "

Results (English) 3:

The old man in bed hummed twice and said, "I must be sleepy to get up at 4am."