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もっともらしい， 尤もらしい
1. plausible, believable
2. solemn, dignified, serious
tbd
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聞こえる， 聞える， 聴こえる， 聴える， きこえる
1. to be heard, to be audible, to reach one's ears
2. to sound (like), to come across (as)
3. to be well known, to be famous
4. to accept (someone's words), to agree, to understand
听到，听见
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
