unapproachable

adj (of a person) difficult to talk to (because too stiff,formal, etc) （指人）（因太古板、 拘谨等）难以接近的, 不易与之谈话的.

unaccustomed, unacknowledged, unadopted, unadulterated, unaffected, unaffordable, unafraid, unaided, unalloyed, unalterable, unaltered, unambiguous, unanimity, unanimous, unanimously, unannounced, unanswerable, unanswered, unanticipated, unappreciated, unarmed, unarticulated, unashamed, unashamedly, unasked, unasked for, unassailable, unassuming, unassumingly, unattached, unattended, unattractive, unavailable, unavailing, unavoidable, unavoidably, unaware, unawares, unbalance, unbalanced,