to feel embarrassed
...to polish; to sharpen; to die out; to pester; to insist; to waste time; to wear down; to rub 磨不开 to feel embarrassed 磨杵成针 ; to study diligently ..
too narrow to turn a car round
磨不开是一个汉语词语,读音是mò bu kāi,是指脸上下不来。