a matter of course
It is inevitable that the Pinyin of Chinese idioms is l ǐ Su ǒ B ì R á n, which means that it must be so. It comes from Hongming Ji, on the immortality of God.
Idiom explanation
It must be so.
The origin of Idioms
"If there is a beginning, it can't be the end, only if there is no beginning, and then it is always infinite, which is natural."
Idiom usage
It must be so. It's a matter of course.
Analysis of Idioms
Synonym: take for granted
a matter of course
stop the tyranny and prohibit evil - zhǐ bào jìn fēi