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覚める， 醒める， さめる
1. to wake, to wake up
2. to become sober, to sober up, to regain consciousness (e.g. after anaesthesia)
3. to come to one's senses, to be disillusioned
醒来，醒过来；清醒过来，恢复清醒，恢复意识（例如麻醉后）；清醒过来，幻灭
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调
から
1. from (e.g. time, place, numerical quantity), since
2. from (originator), by
3. because, since
4. out of (constituent, part)
5. through (e.g. window, vestibule)
6. after, since
7. expresses sympathy or warning
从，自……；因为；被，用于……
