How to Say ‘Forty’ in Japanese
四十
yonjuu
[shi-juu]
💬 Usage Tip: 四十 is usually said よんじゅう, not しじゅう. For 4 in bigger numbers, Japanese often prefers the よん reading.
Phrase Breakdown
四十
yonjuu
[shi-juu]
forty
Forty is the number after thirty-nine, written as 四十.
四十歳の誕生日を祝います。
Celebrate the fortieth birthday.
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