亲眼目睹

yào bu shì qīn yǎn mù dǔ wǒ hái zhēn bù xìn ne

要不是亲眼目睹，我还真不信呢。

If I had not seen it myself, I wouldn't have believed it.

wǒ qīn yǎn mù dǔ zhè chǎng tú shā bèi xià de máo fà dào shù

我亲眼目睹这场屠杀，被吓得毛发倒竖。

I'm really terrified to witness the slaughter.