n.睡意；假寐；困倦

She felt a wave of drowsiness after a long day at work.
在一天的劳累工作后，她感到一阵困倦。
The children were dozing off during the boring lecture.
孩子们在枯燥的讲座中昏昏欲睡。
He took a nap to combat his afternoon drowsiness.
他小憩了一会儿以对抗下午的困倦。
Driving while feeling drowsy can be extremely dangerous.
昏昏欲睡时开车极其危险。
The medication made her feel excessively drowsy, so she decided to take a lighter dose next time.
药物让她感到极度嗜睡，因此她决定下次减量服用。
The baby fell asleep from exhaustion and drowsiness after a crying fit.
哭闹过后，婴儿因疲惫和困倦而入睡。
The elderly couple dozed off in the cozy armchair by the fireplace.
这对老夫妇在壁炉旁的舒适扶手椅上打盹。
The long journey on the bus left everyone feeling drowsy.
长途公交车旅行使每个人都感到昏昏欲睡。
Drowsiness often sets in during late afternoon, especially for students.
下午晚些时候，尤其是学生，常常会感到昏昏欲睡。
She warned her colleagues about the potential hazards of fatigue and drowsiness at work.
她提醒同事们工作中疲劳和昏昏欲睡可能带来的风险。