| 加倍 | jiā bèi | to double; to redouble | |
| 百倍HSK 4 | bǎi bèi | a hundredfold; a hundred times | |
| 倍增 | bèi zēng | to double; to redouble; to increase many times over; to multiply by a factor; multiplication | |
| 事半功倍 | shì bàn gōng bèi | half the work, twice the effect (idiom); the right approach saves effort and leads to better results; a stitch in time saves nine | |
| 倍感 | bèi gǎn | to feel even more; to be extremely (sad, lonely, delighted etc) |
| 1 | This crop doubles in yield each year. | |
| 2 | Her departure left me missing her even more. | |
| 3 | The population of this city has doubled. | |
| 4 | The sound of crushing stones is doubly comforting. | |
| 5 | The double points promotion will start next month. |