even if ...,...cannot

not ... at all

改まる: to be changed to something newer or better; to be renewed; to be amended; to be improved / 改まる: to be ceremonious; to be formal / 改まる, 革まる: to worsen; to be on the verge of death

(rare) (same as aramitama above)

very, exceedingly, awfully / (before a negative form) not at all, at all, by no means

嬉しく: adverbial form of 嬉しい (“happy”)

Classical Japanese form of うれしい (ureshii, “happy”)

Alternative form of 赳.

(not of a person) old, aged, antiquated

the past / ancient times