eat into something
phrasal verb with eat verb [ I or T ] uk/iːt/ us/iːt/ ate | eaten
消耗，花掉，耗费（金钱或时间）
to use or take away a large part of something valuable, such as money or time
The high cost of living in London is eating into my savings. 伦敦生活费用太高了，我的积蓄都花出去不少了。