二來

我打電話給你，一來是想請你吃飯，二來是想告訴你我兒子要結婚了。

wǒ dǎdiànhuà gěi nǐ yìlái shì xiǎng qǐng nǐ chīfàn èrlái shì xiǎng gàosù nǐ wǒ érzi yào jiéhūn le

I called you, on the one hand to invite you out to eat, and on the other to tell you my son is going to get married.