"以压倒优势击败" can be translated into English as "defeat (someone/something) with an overwhelming advantage" or "overwhelm and defeat (someone/something)."
Here are some example sentences:
1、 Our team defeated the opposing team with an overwhelming advantage in the final match.
(我们在决赛中以压倒优势击败了对手。)
2、 The new technology allowed the company to overwhelm and defeat its competitors in the market.
(这项新技术使该公司在市场上以压倒优势击败了竞争对手。)