curb       
 verb [ T ] uk/kɜːb/ us/kɝːb/
C2 控制;限制,约束;抑制
to control or limit something that is not wanted
  The government should act to curb tax evasion. 政府应该采取行动抑制逃税。 
 - More examples
 - He is someone who finds it difficult to curb his fleshly desires.
 - You really need to curb your spending.
 - The police are trying to curb under-age drinking.
 
curb  
noun [ C ] uk/kɜːb/ us/kɝːb/
  (CONTROL)      
  控制;限制,约束;抑制
a limit on something that is not wanted
  You must try to put a curb on your bad temper/spending habits. 你必须尽量控制你的坏脾气/大手大脚的习惯。 
   (EDGE)     
 (kerb 的美式拼法)
US spelling of kerb UK