如日中天

lit. like the sun at noon (idiom) / fig. to be at the peak of one's power, career etc

as / as if / such as

abbr. for 日本[Ri4 ben3], Japan

sun / day / date, day of the month

Japan-China

noon / midday / zenith

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)

culmination (astronomy)

day / sky / heaven