“I'll get someone to help you.” “No need. I can do it myself.”“我找人来帮你。”“不必啦，我自己可以搞定。”

There's no need to get excited.没必要激动。

There's no need to apologize.没必要道歉。

There's no need to shout. I can hear you.没必要大声喊。我听得到。

There's no need for him to apologize.他没有必要道歉。

There's no need for you to shout. = There's no need for shouting.你不必大喊大叫。

There's no need for that kind of behavior.没有必要那样做。

The doctor says that there's no need for surgery.医生说没必要做手术。