to reveal one’s real character or intentions
अपना असली चरित्र या इरादे दिखाना (apna asli charitra ya iraade dikhana)
"He showed his true colors when he took charge of the team."
"उसने टीम की जिम्मेदारी संभाली तो उसने अपने असली रंग दिखाए।" (Usne team ki jimmedari sambhali to usne apne asli rang dikhaye.)
old-fashioned or not keeping up with modern ideas
to refresh one’s mind or body after inactivity
to show total indifference
Using one’s position or power for personal financial gain.
to gain new energy or enthusiasm for something
something that suits one’s interests or abilities perfectly