精 jīng

精彩 jīng cǎi — brilliant 精神 jīng shén — spirit 精力 jīng lì — energy 博大精深 bó dà jīng shēn — wide-ranging and profound 精打细算 jīng dǎ xì suàn — (saying) meticulous planning and careful accounting 精华 jīng huá — best feature 精简 jīng jiǎn — to simplify 精密 jīng mì — accuracy 精确 jīng què — accurate 精通 jīng tōng — proficient 精心 jīng xīn — with utmost care 精益求精 jīng yì qiú jīng — to perfect sth that is already outstanding (idiom)