| 火柴HSK 5 | huǒ chái | match (for lighting fire); Classifiers: 根 | |
| 柴油HSK 6 | chái yóu | diesel fuel | |
| 柴油机 | chái yóu jī | diesel engine | |
| 柴草 | chái cǎo | firewood | |
| 柴火 | chái huo | firewood |
| 1 | Sharpening a knife can save chopping work. | |
| 2 | They stacked up a pile of firewood in the garden. | |
| 3 | These matches are difficult to light, probably because they're too damp. | |
| 4 | She remembered that she used to secretly light matches and burn paper money as a child. | |
| 5 | He lit a fire with matches and the night became warmer. |