verge on something
— phrasal verb with verge verb
to come close to being or becoming the stated thing:
Some parts of the biography verge on the trivial, and the book would be much better if it were much shorter.
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。