1、In China, firework is played to express joy and happiness during festival.
在中國，人們在春節(jié)期間放煙火在表達快樂和幸福。

2、Used to express joy or elation.
好啊用于表達高興或得意

3、Do not express joy before one sick in pain, for that contrary passion will aggravate his misery.
不要當著病人或不幸的人的面表現(xiàn)出高興，因為這種相反的情緒只會加重對方的痛苦。