失准 Traditional form: 失準 Pinyin (reading): shīzhǔn Definitions: not up to scratch; subpar; off; gone awry (of an instrument) to be out of kilter (of a forecast) to be off the mark Characters: 失 - to lose; to make a mistake, to neglect 准 - standard, accurate; to permit, to approve, to allow Traditional characters: 失 - to lose; to make a mistake, to neglect 準 - standard, accurate; to permit, to approve, to allow