经 jīng

已经 yǐjīng — already 经常 jīngcháng — often 经理 jīnglǐ — manager 经过 jīngguò — to pass 经济 jīng jì — economy 经历 jīng lì — experience 经验 jīng yàn — to experience 曾经 céng jīng — once 经典 jīng diǎn — the classics 经营 jīng yíng — to engage in (business etc) 神经 shén jīng — nerve 饱经沧桑 bǎo jīng cāng sāng — having lived through many changes