reduce

decrease, diminish, lessen, reduce, dwindle

这些词的共同含义是“减少，变少”。
decrease: 指逐渐地、不断地减少。
diminish: 侧重大小、数量和重要性的不断减小，强调减小的部分。
lessen: 普通用词，与decrease近义。指数目、程度、价值、实力等的减少。
reduce: 普通用词，含义广。指数量、程度的降低或减少。
dwindle: 与decrease同义，指逐渐减小，但强调变得越来越少终至全无。

动词 reduce:

1. cut down on; make a reduction in
   同义词：cut down, cut back, trim, trim down, trim back, cut, bring down
2. make less complex
3. bring to humbler or weaker state or condition
4. simplify the form of a mathematical equation of expression by substituting one term for another
5. lower in grade or rank or force somebody into an undignified situation
6. be the essential element
   同义词：come down, boil down
7. reduce in size; reduce physically
   同义词：shrink
8. lessen and make more modest
9. make smaller
   同义词：scale down
10. to remove oxygen from a compound, or cause to react with hydrogen or form a hydride, or to undergo an increase in the number of electrons
    同义词：deoxidize, deoxidise
11. narrow or limit
    同义词：tighten
12. put down by force or intimidation
    同义词：repress, quash, keep down, subdue, subjugate
13. undergo meiosis
14. reposition (a broken bone after surgery) back to its normal site
15. reduce in scope while retaining essential elements
    同义词：abridge, foreshorten, abbreviate, shorten, cut, contract
16. be cooked until very little liquid is left
    同义词：boil down, decoct, concentrate
17. cook until very little liquid is left
    同义词：boil down, concentrate
18. lessen the strength or flavor of a solution or mixture
    同义词：dilute, thin, thin out, cut
19. take off weight
    同义词：melt off, lose weight, slim, slenderize, thin, slim down

1. The windows were tinted to reduce the glare.
   窗户上涂上了浅色以减少强光。
2. The manager hasn't worked out a suitable action to reduce the domino effect.
   经理还没有想出一个适当的举措来减少多米诺效应。
3. The government will be looking to reduce inflation by a further two per cent this year.
   政府力求今年把通货膨胀率再减低百分之二。
4. Taking extra vitamins may reduce your liability to colds.
   多吃一些维生素会减少你得感冒的可能性。
5. The new government's prime task is to reduce the level of inflation.
   新政府的主要任务是减低通货膨胀的水平。
6. They were reduced to begging or starving.
   他们穷得不行乞便挨饿。
7. He is trying to reduce the family's expenses.
   他正尽力减少家庭开支。
8. He is reduced almost to a skeleton.
   他瘦得几乎变成了一个骨头架子。