hardworking

Adjective

Of a person, taking their work seriously and doing it well and rapidly.

Japanese Meaning

勤勉な / 努力家 / 真面目に仕事に取り組む人

The hardworking intern finished the project ahead of schedule and impressed everyone.

勤勉で手際の良いインターンは予定より早くプロジェクトを終わらせ、皆を感心させた。

Sense（1）

Of a person, taking their work seriously and doing it well and rapidly.

more hardworking

（ comparative ）

most hardworking

（ superlative ）