to maintain communication with someone
与某人保持沟通 (yǔ mǒu rén bǎo chí gōu tōng)
"Even after moving away, we keep in touch regularly."
"即使搬走了，我们仍然保持定期联系。" (Jíshǐ bān zǒu le, wǒmen réngrán bǎochí dìngqī **liánxì**.)
without much thought or preparation
To try to do too many things at once, leaving no energy for...
a discovery that changes understanding in a field
to introduce or create new concepts or methods
To speak nonsense or about something one knows little about.
something that makes you feel happy or pleased
