Vocabulary
馬鹿さ加減
ばかさかげん
extent of (one's) foolishness; degree of stupidity
expression
noun
Example sentences
私（わたし）は彼（かれ）が笑（わら）っているのを見（み）てやっと自分（じぶん）のばかさ加減（かげん）に気（き）がついた。
It was not until I saw him laughing that I realized what a fool I had been.