jiéshù xiánliáo shí kěyǐ yòng wǒ xiān qù máng le bù dǎrǎo nǐ le wǒmen xià cì zài liáo

结束闲聊时，可以用“我先去忙了”“不打扰你了”“我们下次再聊”。

When ending small talk, you can use 'I have to go now', 'I won't disturb you', 'Let's talk next time'.