noun
important task; heavy responsibility; major mission
Refers to a significant duty or mission, often with a formal or weighty connotation. Used in professional, organizational, or solemn personal contexts.
彼は社長から大任を任された。
He was entrusted with an important task by the company president.
このプロジェクトの成功は君の大任だ。
The success of this project is your heavy responsibility.