铁面无情 meaning in Chinese

no mercy

I don't feel hard toward you .
我对你并不铁面无情。
She blazed into fury because of his callous injustice .
见他这样铁面无情，蛮不讲理，她不觉大为气愤。
He made woeful and savage onslaught on a poem and a romance which came before him for judgement .
他对前来接受他的审判的一篇诗和一本小说，进行了大刀阔斧，铁面无情的讨伐。
" but , father , take care ; when our turn comes , our revenge will be sweeping .
“但是，父亲，要注意，当我们胜利了的时候，我们的报复可是铁面无情的。 ”
Even for him , the cello is an intractable instrument , unforgiving of ambition
即使对他来说，大提琴也是难以驾驭的乐器它对雄心万丈的人也一样铁面无情。