不久他睡着
Soon he fell asleep.
以上为机器翻译结果，长、整句建议使用 人工翻译 。
不久他就睡着了。
youdao
他把自己藏在洞里的被子盖上后不久就在洞里睡着了。
Soon he fell asleep in the cave after covering himself with some quilts he had stored there.
他如此累，以至于不久就睡着了。
He was so tired that he went to sleep soon.
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