fatten
/ˈfæt(ə)n/verb [vt. 及物动词] 养肥；使肥沃；使充实
They have kept the price of sugar artificially high and so fattened the company's profits. 他们一直人为地使糖价居高不下，以此为公司牟利。
verb [vi. 不及物动词] 养肥；（靠……）发财
Birds will fatten themselves with heavy feeding in advance of a long migrational flight. 鸟类在长途迁徙飞行之前，会用大量的食物喂肥自己。
来自fat(adj. 胖的)
adj. + en 构成动词
| 原词（Adjective/Noun） | +en 后缀（Verb） | 含义 |
|---|---|---|
| fat | fatten | 使变胖，增肥 |
| short | shorten | 缩短 |
| broad | broaden | 扩宽，扩大 |
| deep | deepen | 加深 |
| light | lighten | 变亮，减轻 |
| dark | darken | 变暗，加深（情绪等） |
| hard | harden | 变硬，强化 |
| weak | weaken | 使变弱，削弱 |
| soft | soften | 使变软，柔化 |
| loose | loosen | 放松，解开 |
| wide | widen | 拓宽，加宽 |
| tight | tighten | 拉紧，变紧 |
| thick | thicken | 使变厚，浓缩 |