D (斬釘截鐵) 斩钉截铁 zhan3 ding1 jie2 tie3
resolute and decisive
fest entschlossen, brüsk
斬 斩 cut, chop, sever / behead
釘 钉 nail, spike / pursue closely
截 截 cut off, stop, obstruct, intersect
鐵 铁 iron / strong, solid, firm