百无一是

Explanation: Is: Yes, correct. There is no point to the right place, that the overall negative Duirenduishi 　　Usage: Predicate; as predicate; describe all wrong, nothing 　　Source: Song Yuan mining "of The Yuan" As for the 100 no one, and the day and this adjacent, extremely difficulty. " 　　Examples: Who work ~, should the reuse should think twice. Thesaurus:  Complete darkness, No one with a hundred, be a bundle of negatives, A guilty person gives himself away by consciously protesting his innocence., pitch-dark, Turn sb's battery against himself Antonym Group:  Broad daylight, luster, flame dazzle, bright, bezazz dazzle the eyes, Each has some strong points to recommend him., Each person has his speciality., eloquent, Top-heavy, Chunlan Chrysanthemum, Brilliant, hue brightness, Bibcock Shewei