This is the 7956th most frequent Chinese word.
高居
"高居" means "to rank high" or "to occupy a high position."
Here, the word 高居 signifies 'ranking at a high position,' specifically at the top of a list.
人口统计数据显示,该城市高居全国十大最宜居城市榜首。
Demographic data shows that this city ranks first among the top ten most livable cities in the country.
In this sentence, 高居 indicates 'possessing a prominent or leading status' within a specific context.
经过多年的努力,公司产品的市场占有率已高居行业前列。
After years of effort, the market share of the company's products has ranked among the industry leaders.
Here, 高居不下 is used in the phrase to mean 'remaining at a high level,' emphasizing constancy in a positive quality.