discover the hard way
经历一番艰苦才学到、理解...
ascertain the rights
规定权利
discover a remedy for
发现治…的疗法
ascertain our position
查核我方情况
investigate and ascertain
查究
discover a group of
发现一组;发现一类
ascertain a person’s antecedents
查明来历
ascertain the reason for a defect
查明缺陷原因
discover new provinces
发现新领域
ascertain the true situation
查明真实情况
ascertain criminal facts
查清犯罪事实
discover the plot of the enemy
察觉到敌人的阴谋
discover check
(象棋中)移动一子以将对方的军
ascertain the yin or yang
分阴阳
discover the ignorance only through learning
学然后知足