There's no need to ~ : ~할 필요없어. There's no need to worry. -> 걱정할 필요 없어.
There's no need to argue. -> 언쟁할 필요 없어. There's no need to respond. -> 대답할 필요 없어.
There's no need to be sorry. -> 미안해할 필요 업성. There's no reason to ~ : ~할 이유가 없어.
There's no reason to cry. -> 울 이유가 없어. There's no reason to give up. -> 포기할 이유가 없어.
There's no reason to take a risk. -> 위험을 부담할 이유가 없어. There's no reason to stop trying. -> 시도를 멈출 이유가 없어.
There was no way to ~ : ~할 방법이 없었어 There was no way to stop it. -> 그것을 멈출 방법이...
