unyielding

1. ADJ You describe someone as unyielding when they have very strong, fixed ideas about something and are unlikely to change their mind. (人)堅(jiān)定地[書面]

The authorities proved unyielding on one crucial demand. 當(dāng)局在一點(diǎn)至關(guān)重要的要求上態(tài)度非常堅(jiān)決。

2. ADJ If a barrier or surface is unyielding, it is very solid or hard. (屏障、表面)堅(jiān)固的[文學(xué)性]

...the troopers, who had to build roads through those unyielding mountains. ...騎兵們不得不在堅(jiān)硬的山石中筑路。