sly

marked by skill in deception; "cunning men often pass for wise"; "deep political machinations"; "a foxy scheme"; "a slick evasive answer"; "sly as a fox"; "tricky Dick"; "a wily old attorney"

वह धूर्त्तता को सहन नहीं कर सकता था.

Now a days salesman & saleswomen are becoming sly.