My son was very happy when he finally hit the ball with the center of the racket.
My mom dyed her gray hairs for the first time, and now she thinks she looks at least ten years younger, so she is rejoicing.
We were so pleased to hear that studying Japanese is your only joy in life. We’d be happy to offer you some tips, so feel free to ask us any questions at anytime.
This word consists of kanji with hiragana attached. Because the hiragana ends with an う sound, you know this word is a verb. The kanji itself means rejoice so the verb vocab version is to rejoice. Though to become happy probably sounds a little more natural.
You start to rejoice by saying, "Yo, rock on (よろこ)!" Now you know how to rejoice from now on. At church or temple? "Yo, rock on!" Perfect.