godan verb (-ru), intransitive verb
pretend to be tough; put on a brave front; bluff
Describes acting strong or unbothered when one is actually scared, hurt, or worried. Often used when someone hides weakness or true feelings.
彼は怖くても強がって笑った。
Even though he was scared, he pretended to be tough and smiled.
強がらないで、素直に助
Don't put on a brave front; just honestly ask for help.