開心的名詞用英文怎麼說[朗讀]

表示開心的短語： happy;rejoice;joyful;be delighted
例句：
見他們都玩得很開心，他非常高興。
it gladdened him to see them all enjoying themselves
擴展資料。
看他好像吃了一驚，她感到開心。
she had the pleasure of seeing him look surprised
知道有人欣賞我所做的.事真讓人開心。
it's nice to know that somebody appreciates what i do
孩子們追逐著彼此的影子，玩得很開心。
the children were having fun,chasing each other's shadows
我沒有察覺到你那麼不開心。
i didn't realize you were so unhappy
我沒有察覺到原來他那時非常不開心。
i didn't realize but he was deeply unhappy at that time