a. 伪造的;仿造的 ≈ fake
v. 伪造;仿造 ≈ fake
counterfeit currency/money 假币
counterfeit goods/software 假冒的货品/软件
They admitted counterfeiting documents. 他们承认伪造了文件。
Are you aware these notes are counterfeit? 你觉察到这些钞票是伪造的吗?
BrE /əˌbriːviˈeɪʃn/
NAmE /əˌbriːviˈeɪʃn/