opportunist，英语单词，主要用作为形容词、名词，作形容词时译为“机会主义的”；作名词时译为“
机会主义者”。
Like most successful politicians, Sinclair was an opportunist.
If I speak now about regrets, people will view me as an opportunist.
These may not put off a determined thief but are enough to slow down an opportunist, said Mr Vollaard.