Meaning of zài shuō:
再说
to say again; to put off a discussion until later
Wǒmen xià cì jiànmiàn shí zài shuō.
我们下次见面时再说。
We'll talk again when we meet next time.
Wǒmen zhège wèntí yǐhòu zàishuō.
我们这个问题以后再说。
Let's discuss this issue later.
moreover; what's more; besides
Tā hěn lèi, zàishuō tiān yě kuài hēi le, wǒmen háishì míngtiān zài zǒu ba.
他很累,再说天也快黑了,我们还是明天再走吧。
He is very tired, and moreover, it's getting dark, so we should leave tomorrow.
Wǒ bù xiǎng qù, zàishuō, wǒ yě méi shíjiān.
我不想去,再说,我也没时间。
I don't want to go, what's more, I also don't have time.
Zhè bù diànyǐng hěn wúliáo, zàishuō wǒ yě hěn lèi, suǒyǐ wǒ bù xiǎng qù.
这部电影很无聊,再说我也很累,所以我不想去。
This movie is boring, besides, I am very tired, so I don't want to go.