欲罢不能  [yùbà-bùnéng]
[can not refrain from carrying on;be unable to stop even though one wants to] 想罢手也不行。指已形成某种局面,无法改变 
夫子循循然善诱人,博我以文,约我以礼,欲罢不能。——《论语·子罕》
  
欲盖弥彰  [yùgài-mízhāng]
[Try to conceal a mistake,only to make it more conspicious;the more one tries to hide the more one is revealed] 想隐藏坏事或过失的实情,但却更加暴露
 
欲壑难填  [yùhè-nántián]
[Avarice knows no bound greed is like a valley that can never be filled] 欲望很大,难以满足
 
欲厚遗之  [yùhòuwèizhī]
[will present rich grifts] 遗,馈赠。要厚加馈赠
 
欲火  [yùhuǒ]
1. 
[concupiscence]∶指炽盛如火的欲念(多指淫欲)
 
 
欲擒故纵  [yùqín-gùzòng]
[go sb.line enough;leave sb.at large the better to apprehend him]故意先放松对方一步,以便更好地控制住
 
欲求  [yùqiú]
[desire] 指欲念和要求
 
欲望  [yùwàng]
1. 
[desire]∶对能给以愉快或满足的事物或经验的有意识的愿望
 
 
欲以  [yùyǐ]
[want to take(this)] 即“欲以(之)”,想借(此) 
欲以动上意。(即“欲以之动上意”的省略。)——宋·王谠《唐语林·雅量》