need not

• 不用去

  need not go

• 不用说

  it goes without saying

• 不用再说了

  there is no need to carry on

• 不用着急

  no need to worry

• 不用说人, 就是一只鸟儿, 也逃脱不了他们锐利的眼睛。

  Not even a bird would be able to escape their sharp gaze, let alone a person.