理所當然

理所當然 (lǐsuǒdāngrán) 按道理應該如此 justifiably; a matter of course; as it ought to be; be both natural and right; it goes without saying; it is what propriety requires 就把來結識了這位大哥,也是理所當然?！鳌?馮夢龍《醒世恒言》 成語解釋當然：應當如此。按道理應當這樣。理所當然出處隋·王通《文中子·魏相篇》：“非辯也，理當然耳?！笔褂美渖普吒６鴲赫叩湥硭斎?。

陳普名句，孟子正命名句。注釋由系統生成，僅供參考