need I say more?

一种反问句，表示说话人提出了一个不需要进一步澄清的观点。

said after a statement when you expect that someone can guess the result of what you have just said

在说明了一些内容后，期望某人可以从刚才所说的猜测结果

还用我多说吗?

Mary: There's grass to be mowed, weeds to be pulled, dishes to be done, carpets to be vacuumed, and there you sit! Need I say more?

草要割，杂草要除，菜要洗，地毯要用吸尘器打扫，而你却坐在那儿!还需要我多说吗?

Tom: I'll get right on it.

我马上就动手。