理所當然 (lei5 so2 dong1 jin4) — take it for granted; (as a matter) of course; naturally; needless to say in Cantonese
leiˏ₅理soˊ²所dongˉ¹當jinˎ₄然简 理所当然
Mandarin Pinyin: li3 suo3 dang1 ran2
Meaning of 理所當然
nountake it for granted; (as a matter) of course; naturally; needless to say