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ratings (e.g. of a television program); audience rating; viewing rate
視聴率が急上昇した。
The viewership ratings surged.
視聴率を気にしすぎると番組の質が落ちる。
Worrying too much about ratings lowers the quality of the program.
あのドラマは毎回視聴率が三十パーセントを超えた。
That drama's ratings exceeded thirty percent every episode.