(It's depending on the speaker's personal life, so this is the happy story of my life.)

The happiest moment of my life is to gain a trophy for my achievement. It's my first competition, and I'm so happy for gaining it myself, I know that i didn't get the first place, but I could daydreaming to achieve an english competition 2nd champion title. I'm proud of myself and happy for the result I've got.

Ingat ya, ini pengalaman pribadi saya, kalau kamu punya pengalaman yang bahagia di hidupmu, kamu bisa mencoba men-translate nya ya

Semoga Membantu, Selamat Belajar Ya!