medium quality; middling; average
Used to describe something of moderate quality, neither excellent nor poor. Often appears in contexts like grading, ranking, or evaluating products.
This tea is of medium quality, and not bad for the price.
試験の結果は中通りだった。
The exam result was about average.
Compound of 中 (ちゅう, 'middle') and 通り (どおり, 'as; in accordance with'), literally 'as the middle', indicating a moderate or average quality.