びくともしない

expression, i-adjective

unperturbed; undaunted; retaining composure

Describes a person who remains calm and unfazed in the face of surprise, intimidation, or pressure.

• 彼かれは脅おどされてもびくともしなかった。

  He remained unperturbed even when threatened.

expression, i-adjective

unyielding; not giving an inch

Often used for physical objects or structures that do not budge or give way under force, or metaphorically for a firm stance.

• この机つくえは重おもくて、押おしてもびくともしない。

  This desk is so heavy that it doesn't budge even when pushed.