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上の空， うわの空， うわのそら

1. inattention, absent-mindedness

tbd

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濃い， こい

1. deep (colour), dark 2. strong (flavour, smell, etc.) 3. thick (consistency), dense 4. strong (possibility, etc.) 5. thick (i.e. "as thick as thieves"), close, deep (love, etc.)

tbd

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頭， あたま， かしら

1. head 2. hair (on one's head) 3. mind, brains, intellect 4. leader, chief, boss, captain 5. top, tip 6. beginning, start 7. head, person 8. down payment, deposit 9. top structural component of a kanji 10. pair

头；头脑；领导，老板，上级等

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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

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