Say whatever you want, without looking for traditional Chinese characters. You can download the Martian input method, and you can change Jia Qianqian to +77. Let me show you. You can type it again with the Martian input method.

1.+77, your smile is my fatal blow, and your back is my priceless treasure.

2.+77,520 13 14!

3.+77, I dare not forget you, because with your existence, my life is destined to be perfect, and with your support, my soul will be sound.

4.+77, if you leave me with a smile, I won't let you see me sad.