这一回答直言不讳，没有礼貌性修饰。

The answer is ___blunt, not softened by courtesy.

这把剪刀太钝了，连纸都剪不动。

The scissors are too ___blunt to even cut paper.

频繁使用这把剪刀剪硬纸板会让它变钝。

Using these ___scissors to cut cardboard often will ___blunt them quickly.

她坦率的评论有时候会伤害到别人的感情。

Her ___blunt comments sometimes hurt people's feelings.