to reveal your real character or intentions
अपना असली चरित्र या इरादे प्रकट करना (apna asli charitra ya irade prakat karna)
"He finally showed his true colors when he refused to help his friend in need."
"उसने आखिरकार अपना असली चेहरा दिखा दिया जब उसने ज़रूरतमंद दोस्त की मदद करने से मना कर दिया।" (usne aakhirkar apna asli chehra dikha diya jab usne zaruratmand dost ki madad karne se mana kar diya)
To keep someone informed about something.
a son behaves like his father
to study intensely
to create something that lasts and benefits others after you...
a controversial issue that no one wants to handle
to be in charge while someone is away