桃李争妍　

◎ 桃李争妍 táolǐ-zhēngyán

[peach and plum emulate each other in spring time] 桃花与李花竞媚比妍。形容春日景色美不胜收

春花艳艳,看红白桃李争妍。——明·无名氏《万国来朝》二折