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ちっとも， 些とも
1. (not) at all, (not) a bit, (not) in the least, (not) in the slightest
tbd
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眠る， 睡る， ねむる， ねぶる
1. to sleep
2. to die, to rest (in peace), to lie (buried), to sleep (in the grave)
3. to lie idle (e.g. of resources), to lie unused, to lie untapped, to lie untouched
4. to close one's eyes
入睡
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
