ADJ [verb-link ADJ, ADJ after verb, ADJ n]完好无损的;未削弱的 If something is unimpaired after something bad or unpleasant has happened to it, it is not damaged or made worse. 完好无损的;未削弱的 [formal]
His health and vigour were unimpaired by a stroke. [+ by]
他的健康和精力在经历了一次中风后没有受到影响。
Queen Milena possessed great beauty, which she retained unimpaired in advancing years.