待我事业有成姑娘娶你可好
[dài wŏ shì yè yŏu chéng gū niáng qŭ nĭ kĕ hăo]
The netizen is making a promise to someone, probably his loved one, in a romantic and ambitious way. He's telling the person that when he succeeds in his career, he wants to marry her. The tone reflects an eagerness and confidence towards future success as well as an undying love for this girl.