美中不足

everything is fine except for one small defect (idiom); the fly in the ointment

(bound form) the Americas (abbr. for 美洲[Mei3 zhou1]) / (bound form) USA (abbr. for 美國|美国[Mei3 guo2])

beautiful / very satisfactory / good / to beautify / to be pleased with oneself

beautiful / very satisfactory; good / to beautify / to be pleased with oneself

USA-China

China / Chinese / surname Zhong

within / among / in / middle / center / while (doing sth) / during / (dialect) OK / all right

to hit (the mark) / to be hit by / to suffer / to win (a prize, a lottery)

no; not so / (bound form) not; un-

insufficient / lacking / deficiency / not enough / inadequate / not worth / cannot / should not

excessive

foot / to be sufficient / ample