いちいん
Noun
1.
one cause, one reason, one factor
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寝不足が彼のミスの原因の一因です。
Lack of sleep is one of the causes of his mistakes.
交通渋滞は、都市の空気汚染の一因となっている。
Traffic congestion is one factor contributing to urban air pollution.
ストレスが健康問題の一因となることがあります。
Stress can be one of the causes of health problems.
彼の遅刻は、朝の満員電車が一因だった。
The crowded morning train was one reason for his lateness.
彼の成功の一因は、決して諦めない強い精神力にあった。
One of the factors in his success was his strong mental fortitude, never giving up.
Kanji that make up this word
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