The instruction manual completely defeated me.

这操作指南把我完全弄糊涂了。

《牛津词典》

I felt completely defeated.

我感觉完全被打败了。

youdao

I realized sadly that I had been completely defeated by their ingenuity.

我懊丧地感到自己败给了这些机灵的蚂蚁。

youdao

The arrests led to fighting. And the fighting led to a final battle in which the army defeated the Indians completely.

VOA: special.2010.04.08

His first touch from Jonas Gutierrez's low pass completely wrong-footed Collins and the striker was unlucky not to score when his low strike across goal defeated Rob Green but not the woodwork.

BBC: Newcastle 2-2 West Ham