輸入需要查詢的詞語：
詞條：盈則必虧
yingzebikuī
[when the fullest extentis reached, waxing is necessarily followed by waning] 滿盈之極,必有虧損
全則必缺,極則必反,盈則必虧。－－《呂氏春秋·博志》