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空気， くうき
1. air, atmosphere
2. mood, situation
3. someone with no presence, someone who doesn't stand out at all
tbd
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おいしい， 美味しい
1. good(-tasting), nice, delicious, tasty
2. attractive (offer, opportunity, etc.), appealing, convenient, favorable, desirable, profitable
好吃，美味
の
1. indicates possessive
2. nominalizes verbs and adjectives
3. substitutes for "ga" in subordinate phrases
4. (at sentence-end, falling tone) indicates a confident conclusion
5. (at sentence-end) indicates emotional emphasis
6. (at sentence-end, risi...
句尾起强调作用；助词，表示所有关系
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
