开心的

Just forget the unhappy days,kindless people,cloudy weather.

忘掉那些不开的事，没良的人，阴沉的天气吧！

Do you still immerse your particular work of art and your self-idiosyncracy of art?

依旧开的沉浸在自己独特的“艺术”作品和自身的“艺术”特质中？

Slowly, others and I do the samely, especially learn happy life.

慢慢地，我和别人做得一样好了，特别要学会开的生活。

Unhappiness is the root cause of his illness.

不开生病的根源。

It's a delicious joke.

这个令人开的笑话。