| 堆积HSK 6 | duī jī | to pile up; to heap; accumulation | |
| 堆放HSK 5 | duī fàng | to pile up; to stack | |
| 反应堆HSK 5 | fǎn yìng duī | reactor | |
| 火堆HSK 5 | huǒ duī | bonfire; to open fire | |
| 堆砌 | duī qì | lit. to pile up (bricks); to pack; fig. to pad out (writing with fancy phrases); ornate rhetoric |
| 1 | She is washing a pile of apples. | |
| 2 | There were some odds and ends piled up on the windowsill. | |
| 3 | He lent me a pile of books. | |
| 4 | The pile of dirt outside the window blocked the sunlight. | |
| 5 | He made a heap of toys with wood. |