Not good at this time. — The words, at this time, should be transposed. What Hushai says is “This time the counsel of Ahithophel is not good,” implying that his previous advice (2 Samuel 16:21) had been wise, thus assuming an appearance of candour.
Related Commentaries of 2 Samuel 17:7
2 Samuel 17:7
7 And Hushai said unto Absalom, The counsel that Ahithophel hath givenb is not good at this time.