If you feel drowsy, you feel sleepy and cannot think clearly.
例句
He felt pleasantly drowsy and had to fight off the urge to sleep.他感觉昏昏欲睡,只好尽量克制睡意。
英汉词典释义
adj.
欲睡的, 半睡的, 使人昏昏欲睡的
I feel drowsy after lunch every day.每天午饭后我就想睡觉。It was a warm,quiet,drowsy afternoon.那是一个暖和、寂静而令人昏昏欲睡的下午。Exhaust fumes made him drowsy and brought on a headache.废气把他熏得昏昏沉沉,还引起了头疼。
英英词典释义
Adjective
1. half asleep;
"made drowsy by the long ride""it seemed a pity to disturb the drowsing (or dozing) professor""a tired dozy child""the nodding (or napping) grandmother in her rocking chair"