| 四十 | sì shí | forty / 40 | ![]() |
| 卌 | xì | forty | ![]() |
| 肆拾 | sì shí | forty (in banker's anti-fraud numerals) | ![]() |
| 四十三 | sì shí sān | 43 / forty three | ![]() |
| 不惑 | bù huò | without doubt / with full self-confidence / forty years of age | ![]() |
| 四十六 | sì shí liù | forty six / 46 | ![]() |
| 四旬斋 | sì xún zhāi | Lent (Christian period of forty days before Easter) | ![]() |
| 大斋期 | dà zhāi qī | Lent (Christian period of forty days before Easter) | ![]() |
| 耶稣升天节 | Yē sū Shēng tiān jié | Ascension Day (Christian festival forty days after Easter) | ![]() |
| 四十项建议 | sì shí xiàng jiàn yì | The Forty Recommendations | ![]() |
| 每周工作时间减至四十小时公约 | Convention concerning the Reduction of Hours of Work to Forty a Week | ![]() |
