| sv/a | 快 | 快 | be quick, fast/quickly, soon | kuai4 |
| sv | 快乐 | 快樂 | happy | kuai4 le4 |
| n | 快车 | 快車 | express | kuai4 che1 |
| n | 快信 | 快信 | special delivery | kuai4 xin4 |
| fv | 快走 | 快走 | go quickly | kuai4 zou3 |
| 很快 | 很快 | (it’s) very fast/quick | hen3 kuai4 |
Chinese <> English Resources
快 | sv/a | 快 | 快 | be quick, fast/quickly, soon | kuai4 |
| sv | 快乐 | 快樂 | happy | kuai4 le4 |
| n | 快车 | 快車 | express | kuai4 che1 |
| n | 快信 | 快信 | special delivery | kuai4 xin4 |
| fv | 快走 | 快走 | go quickly | kuai4 zou3 |
| 很快 | 很快 | (it’s) very fast/quick | hen3 kuai4 |