トップクラス (toppukurasu) Japanese meaning: top-class | KotomoraHe is a top-class athlete.
This university is known as a top-tier research institution.
Usage patterns
〈物〉はトップクラスだfor something to be top-class
This university's research level is top-class.
〈場所〉でトップクラスtop-class within a certain place or field
He is a top-class athlete within the country.
トップクラスの〈人〉a top-class person (e.g. athlete, expert)
She is known as a top-class pianist.
トップクラスに入るto be ranked among the top-class group
His grades always rank among the top-class.