 | devant et derrière. |
|  | Trước sau nào thấy bóng người |
| (Nguyễn Du) pas une âme devant et derrière soi. |
|  | toujours; constamment; invariablement. |
|  | Trước sau thuỷ chung |
| constamment fidèle; invariablement fidèle. |
|  | tôt ou tard; en tout cas. |
|  | Trước sau cũng phải làm |
| tôt ou tard il faut le faire. |