unforthcoming [ˌʌnfɔ:rθˈkʌmɪŋ]

例句:

• She was pretty unforthcoming. Made Sally wait till she'd cooked Selby's lunch, if you please.
  她爱搭不理地把萨莉晾在一边，直到她为塞尔比做好午饭，你说怪不怪。
  
• He was very unforthcoming about what had happened.
  他对发生的事守口如瓶。