猫耳: a Japanese slang describing humanoid characters that possess cat-like features.

(neologism) Cat ears, as worn or possessed by a human or humanoid.

not ... at all

even if ...,...cannot

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

猫: (obsolete) cat / 猫間:

general contractor

(fiction, art) (human's) eye with a shape evocative of a cat's eye, large and almond-shaped

(formal) Female third-person singular pronoun; she, her, girlfriend

(colloquial) a girlfriend (a female partner in a romantic relationship)