There is no luck. There is only work.
世上没什么运气，只有努力去挑战。
All good things must come to an end.
美好的事物总是稍纵即逝。
Smiling doesn't always mean you're happy. Sometimes, it simply means that you are a strong person.
笑并不总是意味着你开心，某些时候，笑只是表示你是一个坚强的人。
If you weren't my friend, there'd be a hole in my life.
如果没有你这个朋友，我的人生会若有所失
