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怠ける， 懶ける， なまける
1. to be lazy, to be idle, to slack
2. to neglect (e.g. one's work), to be neglectful of, to skip (e.g. school)
懒惰、无所事事、懈怠；忽视(如工作)、疏忽、逃(学)
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
