something remains to be seen
something is still unknown or unclear:
Whether the Republican candidate can still win the election remains to be seen.
It remains to be seen what the students think of their teachers' ideas.
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。