LEARNit Dictionary

shrewd

adjective

clever at understanding and making judgements about a situation

زیرک, تیزهوش, باهوش, با درایت, تیزبین, هوشمند

synonym astute

showing good judgement and likely to be right

زیرک, باهوش, تیزهوش, کاردان

a shrewd move

I have a shrewd idea who the mystery caller was.

I could take a pretty shrewd guess at who had sent the letter.