an expression used to indicate that someone has been caught or tricked

फँसाना

English Usage: He thought he could get away with it, but I said "gotcha!" when I caught him lying.

Hindi Usage: उसने सोचा कि वह बच निकल सकता है, लेकिन जब मैंने उसे झूठ बोलते पकड़ा तो मैंने कहा "फँसाना!"

to understand or grasp something

समझना

English Usage: Once I explained the concept again, she finally gotcha what I meant.

Hindi Usage: जब मैंने फिर से अवधारणा को समझाया, तो उसने आखिरकार समझा कि मैं क्या मतलब रखता था।