Meaning of 莫逮 in Classical texts?
昔伯牙絕絃於鍾期，仲尼覆醢于子路，痛知音之難遇，傷門人之莫逮也。 Means a person lost his(her) bosom friend, he (she) is so sad, and not one can acquaintance him(her) like the past friend.So the 莫逮 here is can not be comparable to something(someone), 莫 means can not, 逮 means can be comparable to something(someone).