new blood 新鲜血液，新人

英文释义

New people or new ideas that invigorate something (such as an organization) that was previously stale or weak.
例句

The bright young executives we hired last year brought new blood into our old company, and currently we are developing several new and exciting products.

我们去年招聘了年轻的高管，为这家老企业注入了新鲜血液，目前我们正在开发几种令人激动的新产品。