To put or place into a sheath or cover.

To conceal or cover up something, especially in a figurative sense.

छिपाना

English Usage: She tried to sheathe her emotions behind a mask of indifference.

Hindi Usage: उसने असंवेदनशीलता के मास्क के पीछे अपनी भावनाओं को छिपाने की कोशिश की।