méi yǒu / hé shí / xiāo xī / lái yuán / jiù / bù gāi / xìn kǒu hú shuō / yǐ miǎn / wù dǎo / bié rén

没有核实消息来源就不该信口胡说，以免误导别人。

You should not speak without thinking before verifying the source of the information, or you may mislead others.