oblivious

(followed by `to or `of) lacking conscious awareness of; "oblivious of the mounting pressures for political reform"; "oblivious to the risks she ran"; "not unmindful of the heavy responsibility"

सिर्फ अंग्रेज ही था, जो इस 'सबसे बेखबर अपनी किताबों में खोया हुआ था।

She is oblivious to their silly criticism.