灵通

xiāo xi líng tōng rén shì

消息灵通人士

well-informed sources

tā jiǎ mào yī fù xiāo xi líng tōng de yàng zi shì shí shang tā zhī dào hěn shǎo

他假冒一副消息灵通的样子，事实上他知道很少。

He assumes a well-informed manner but in fact he knows very little.

xiāo xi bù líng tōng

消息不灵通

ill-informed

zhè ge yào líng tōng

这个药灵通。

The medicine works well.

zhè wán yì r jí líng tōng

这玩意儿极灵通。

It is of great use.

xīn yǎn r líng tōng

心眼儿灵通

have a quick mind