eat into sth phr v [T] 1 to gradually reduce the amount of time, money etc that is available 逐渐消耗〔某物〕: All these repairs are really eating into our savings. 这些修理大大耗去了我们的积蓄。 2 to damage something 腐蚀，侵蚀〔某物〕: Acid eats into the metal, damaging the surface. 酸腐蚀金属，损坏表面。