unnecessarily doubtful may not not sure not necessarily
Wealth is not necessarily synonymous with happiness.
财富未必等同于幸福。
—— 给力词典精选To possess wealth is not always to be happy.
拥有财富未必一定幸福。
—— 给力词典精选A great scholar is not always a very wise man.
一位伟大的学者未必一定是极聪明的人。
—— 给力词典精选Scepticism and trust are not necessarily incompatible.
怀疑与信任未必不能共存。
—— 给力词典精选She may, not unlikely, go abroad.
她或许会出国, 这未必不可能。
—— 给力词典精选