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子供じみた, 子どもじみた, 子供染みた, こどもじみた
1. childish, childlike, immature, infantile
tbd
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真似, まね, マネ
1. imitating, copying, mimicry
2. behavior, behaviour, action, conduct
模仿、复制、拟态;行为,举止,行动
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