laziness
US /ˈleɪ.zi.nəs/
UK /ˈleɪ.zi.nəs/

1.
怠惰, なまけ
the quality of being unwilling to work or use energy; idleness.
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His laziness prevented him from finishing the project on time.
彼の怠惰が、彼が時間通りにプロジェクトを終えるのを妨げた。
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She was criticized for her laziness and lack of effort.
彼女は怠惰と努力不足で批判された。
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