火を見るよりも明らか
Meanings
1
clear as day; patently obvious
Idiomatic expression emphasizing that something is extremely obvious, often used for negative situations or consequences. The literal image is 'clearer than watching a fire'.
See also: 火を見るより明らか
It's as clear as day that he is lying.
It was patently obvious that things would fail if they continued like this.