bù​yòng​shuō HSK7

needless to say

不用说 不用說 bù​yòng​shuō
needless to say adverbverb
it goes without saying; unnecessary to explain because it is obvious

The benefits of electric vehicles go without saying.

let alone conjunction
not to mention; used to indicate that if a certain case is true, then the case in question is even more so
stop talking
don't say any more; used to tell someone to stop speaking because one has already made a decision or heard enough

Frequency

Movie subtitles
4.02 per million appears in 2% of films
Written text
6.79 per million

Details

HSK 3.0
Level 7

Sources