びくともしない
bikutomo shinai

i-Adjective
Expression

1. unperturbed; undaunted; retaining composure

i-Adjective
Expression

2. unyielding; not giving an inch

かれ ちからいっぱい ったが、岩 いわはびくともしなかった。
karewa chikaraippai hippattaga iwawa bikutomo shinakatta.
He pulled with all his strength, but the rock would not move.
Other forms: