| 因为HSK 2 | yīn wèi | because; owing to; on account of | |
| 因此HSK 4 | yīn cǐ | thus; consequently; as a result | |
| 原因HSK 4 | yuán yīn | cause; origin; root cause; reason; Classifiers: 个 | |
| 因素HSK 5 | yīn sù | element; factor; Classifiers: 个 | |
| 因而HSK 5 | yīn ér | therefore; as a result; thus; and as a result, ... |
| 1 | The meeting has been postponed for a week due to unforeseen circumstances. | |
| 2 | He was arrested for drug abuse. | |
| 3 | She was sent off for committing a foul. | |
| 4 | He was fined for exceeding the speed limit. | |
| 5 | She fell ill because of fatigue. |