就不会那么铁着心
“will make you less hell-bent all the time”
THE DIALOGUE REEL
也许你知道了这一点
“And maybe you knowing that”
就不会 那么 铁着心
“will make you less hell-bent all the time”
要让我更生气
“on making me even angrier.”
“You would be more forgiving if you actually understood.”
Accusing someone of having an 'iron heart' (铁心) is an appeal to interpersonal empathy (人情) to get them to soften their hardline stance.
LEARNING CHUNKS & PARTICLES
to harden one's heart / to be set on being ruthless or stubborn
A vivid colloquial expression describing someone behaving stubbornly, coldly, or uncompromisingly.