Translation of "Pointless" in Chinese

Reasoning with a villain is pointless.

跟小人說理，就如同對牛彈琴。

Life without love is just totally pointless.

没有爱情的生活毫无意义。

It is pointless to argue this topic with him.

和他争论这件事得不出结果。

- Life without love is just totally pointless.
- Life without love has no meaning.

没有爱情的生活毫无意义。

- Life without love is just totally pointless.
- Life without love has no meaning at all.

没有爱情的生活毫无意义。

- It's no use arguing with him.
- It's pointless arguing with him.
- It is no use arguing with him.

跟他吵没用。