turn down

英 [tɜːn daʊn]

美 [tɜːrn daʊn]

拒绝（某人或其请求、提议等）; 关小; 调低

柯林斯词典

PHRASAL VERB 拒绝(某人或其请求、提议等)
If youturn downa person or their request or offer, you refuse their request or offer.
1. Before this I'd have smiled and turned her down...
  在这之前，我本该笑着拒绝她。
2. I thanked him for the offer but turned it down…
  我谢绝了他的提议。
3. Would you turn down $7,000,000 to appear nude in a magazine?
  给你 700 万美元要你裸体登上杂志，你会拒绝吗？
PHRASAL VERB 关小;调低
When youturn downa radio, heater, or other piece of equipment, you reduce the amount of sound or heat being produced, by adjusting the controls.
1. He kept turning the central heating down...
  他不断调低中央暖气的温度。
2. She could not bear the relentless music and turned down the volume.
  她受不了没完没了的音乐，就把音量调小了。
PHRASAL VERB （比率）减少;（水平）降低
If the rate or level of somethingturns down, it decreases.
1. The divorce rate turned down in the 1950s.
  20 世纪 50 年代离婚率下降了。

in AM, use 美国英语用 fall

verb

make lower or quieter
1. turn down the volume of a radio
Synonym:lowerlour
take a downward direction
1. The economy finally turned down after a long boom
reject with contempt
1. She spurned his advances
Synonym:rejectspurnfreeze offscornpooh-poohdisdain
refuse to accept
1. He refused my offer of hospitality
Synonym:refuserejectpass updecline
refuse entrance or membership
1. They turned away hundreds of fans
2. Black people were often rejected by country clubs
Synonym:rejectturn awayrefuse