c. 1200, aslepe, o slæpe, from Old English on slæpe (see sleep). The parallel form on sleep continued until c. 1550. Of limbs, "numb through stoppage of circulation," from late 14c. Meaning "inattentive, off guard" is from mid-14c.
双语例句
1. He was already asleep in the bed, which smelled faintly of mildew.
他已经在略带霉味的床上睡着了。
来自柯林斯例句
2. He fell asleep just past midnight with tolerable ease.
他刚过午夜就睡着了，睡得还算安稳。
来自柯林斯例句
3. Sister Francesca entered the chapel, took her seat, and promptly fell asleep.
弗朗西丝卡修女走进小教堂，坐下来，很快就睡着了。
来自柯林斯例句
4. His eyes were shut and he seemed to have fallen asleep.
他眼睛闭着，似乎睡着了。
来自柯林斯例句
5. Sam snuggled down in his pillow and fell asleep.
