fancy oneself as / fancy / flatter oneself / be puffed up with conceit / have too high an opinion of *oneself / think highly of *oneself / be vain / be conceited / be over-confident of [one's own abilities]
おはぐるま
ohaguruma
御羽車 JN1
palanquin
ぬるま
nuruma
微温 JN1
easy mark / credulous person / good-natured person / dupe
