| 不久HSK 3 | bù jiǔ | not long (after); before too long; soon; soon after | |
| 前不久 | qián bù jiǔ | not long ago; not long before | |
| 悠久HSK 5 | yōu jiǔ | long (tradition, history etc) | |
| 持久HSK 6 | chí jiǔ | lasting; enduring; persistent; permanent; protracted; endurance; persistence; to last long | |
| 长久HSK 3 | cháng jiǔ | (for a) long time |
| 1 | He waited for a long time. | |
| 2 | She made me wait too long. | |
| 3 | He just graduated not long ago. | |
| 4 | He slept for a long time before he got up. | |
| 5 | He repeatedly thought about it for a long time. |