noun or participle which takes the aux. verb suruintransitive verbnoun (common) (futsuumeishi)adjectival nouns or quasi-adjectives (keiyodoshi) to be stumped;to be at a loss;to be at one's wits' end;to be nonplussed

noun or participle which takes the aux. verb suruintransitive verbnoun (common) (futsuumeishi)adjectival nouns or quasi-adjectives (keiyodoshi) to be fed up;to be tired (of);to be unable to bear;to be annoyed

noun (common) (futsuumeishi)noun or participle which takes the aux. verb suru yojijukugo being at a complete loss as to what to do;being at one's wit's end;being at a loss for an answer