理所应当lǐsuǒyīngdāngTop 50000Meanings1. it's only right and proper; it goes without sayingCharacters used理reason所place应should当to beExamples1他tā觉得juéde我wǒ理所应当lǐsuǒyīngdāng知道zhīdào答案dá'àn。He took it for granted that I knew the answer.