Gb	Eng
不管她生不生病，她总是开开心心的。	Whether (she is) sick or fine, she is always cheerful.
在去夏威夷的旅途中, 我们都很开心。	On the trip to Hawaii, we were all in high spirits.
玩得开心点。	Have fun.
不开心是他生病的根源。	Unhappiness is the root cause of his illness.