level (sth) down
— phrasal verb with level uk/ˈlevəl/usverb UK -ll, US -l-
to become worse or less, or to make something worse or less, so that it is the same as something else:
Many schools are being levelled down, rather than improved.
英语词典包含110679条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。