Neither blameworthy nor praiseworthy; indicating an average or mediocre performance without significant merits or faults.
他对这份工作的表现，可以说是无咎无誉，没有特别突出之处，也没有明显的失误。
His performance in this job could be described as neither blameworthy nor praiseworthy; he had no outstanding achievements, nor any obvious mistakes.
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