certainty
🇺🇸
/ˈsɜːrtnti/
🇬🇧
/ˈsɜːtnti/
the feeling of being sure about something
The certainty of his success gave him confidence to continue working hard.
彼の成功の確信が、彼に懸命に働き続ける自信を与えた。
something that is definitely true or will definitely happen
After all the evidence was presented, his guilt became a certainty that no one could doubt.
すべての証拠が提示された後、彼の有罪は誰も疑うことのできない確実な事実となった。