xià bān hòu wǒ men qù chàng gē ba

A:下班后我们去唱歌吧？

Shall we go singing after work?

hǎo ā ，nán dé dà jiā jù yī cì

B:好啊，难得大家聚一次。

Ok, what a rare chance for us to get together.

zhèng hǎo wǒ tīng shuō dōng biān xīn kāi le yī jiā kǎ lā OK tīng

C:正好我听说东边新开了一家卡拉OK厅。

I happened to hear there is a newly-opened karaoke bar in the east.

nà yīn xiǎng yī dìng bú cuò

D: 那音响一定不错！

The hi-fi system must be cool!