give up
🇺🇸
/ɡɪv ʌp/
🇬🇧
/ɡɪv ʌp/
to stop trying or doing something, especially because it is too difficult or not successful
After trying for hours, he finally decided to give up on solving the puzzle.
何時間も試してから、彼はついにパズルを解くことを諦めることにした。