1.
If sleep trouble or daytime drowsiness persists, consult a doctor.
如果连续失眠或者白天困倦，就请咨询一下医生。
2.
Prevalence of daytime sleepiness and association with sleep behaviors,sleep environment in school-aged children of Shanghai City
上海市学龄儿童“白天困倦”相关危险因素研究
3.
OSA causes severe breathing difficulties during the night and sleepiness during the day.
这种症状会令人在夜间出现严重的呼吸困难，在白天又会非常困倦。
4.
humid, indolent weather.
令人困倦的潮湿天气
5.
drowsy summer weather
使人困倦的夏季天气.
6.
The days were annoyingly and wearily long for everyone.
天长得几乎使人不耐烦了，人人觉得困倦。
7.
Produced or characterized by sleepiness.
由困倦引起的，或以困倦为特征的
8.
She suddenly started to feel very sleepy.
她突然感到非常困倦。
9.
heavy lids.
因困倦而下垂的眼皮
10.
feeling comatose after a large meal
大吃一顿后感到困倦.
11.
with the mouth wide open indicating boredom or sleepiness.
嘴张大表明厌倦或困乏。
12.
I feel sleepy,so I'm going to bed.
我感到困倦，要去睡觉了。
13.
Laura saw with alarm that the dear friend became every year more languid and weary, and that her pale cheek grew more wan.
露拉非常惊慌，看到自己的亲人一年年衰弱，困倦，那苍白的面额也越发没有血色了。
14.
His yawns suggested he was either tired or bored.
他呵欠连天说明他不是疲倦, 就是厌倦。
15.
I'm sleepy after my long walk.
我走了一段长路后感到困倦。
16.
The sunlight made us feel warm and sleepy.
阳光使我们觉得暖和、困倦。
17.
He sat in the back seat and soon felt very sleepy.
他坐在后座，马上就觉得很困倦。
18.
She was so exhausted that she did sleep at last(=fall asleep).
她很困倦，最后到底睡着了。