jīng guò
从北京坐火车到广州要经过武汉
cóng Běijīng zuò huǒchē dào Guǎngzhōu yào jīngguò Wǔhàn
Taking the train from Beijing to Guangzhou passes through Wuhan
屋子经过打扫，干净多了
wūzi jīngguò dǎsǎo, gānjìng duō le
After cleaning, the room is much cleaner
这件事情是经过领导上缜密考虑过的。
zhè jiàn shìqing shì jīngguò lǐngdǎo shàng zhěnmì kǎolǜ guò de
This matter has been carefully considered by the leadership