難易(なんい)difficulty, relative difficulty

仕事(しごと)の難易(なんい)より、仕事(しごと)の量(りょう)が問題(もんだい)だ。

The problem is not the difficulty of the job, but the amount of work. {difficulty, relative difficulty}

業務(ぎょうむ)の難易(なんい)をもとに賃金(ちんぎん)が決(き)められています。

The wages are determined based on the difficulty of the task. {difficulty, relative difficulty}

難易(なんい)に差(さ)をつけた問題(もんだい)を生徒(せいと)にいくつか解(と)かせました。

I had the students solve several problems that were differentiated by difficulty. {difficulty, relative difficulty}

業務(ぎょうむ)の難易(なんい)は問(と)わないから、出来(でき)る仕事(しごと)はなんでもやるつもりだ。

I intend to do any work that I can, regardless of the difficulty or relative difficulty of the task. {difficulty, relative difficulty}

探偵(たんてい)：「依頼(いらい)の難易(なんい)に応(おう)じて料金(りょうきん)が変動(へんどう)しますが、差(さ)し支(つか)えありませんか？」

Detective: "The fee varies depending on the difficulty of the task. Is that acceptable to you?" {difficulty, relative difficulty}