tedium

日常工作的单调乏味让他感到精疲力尽。

The ___tedium of daily tasks made him feel exhausted.

站在无尽移民队伍中的单调乏味耗尽了每位旅客的全部精力。

The ___tedium of standing in the endless immigration queue drained every ounce of energy from the travelers.

为了缓解每天两小时通勤的单调乏味，他开始用音频课程学习一门新语言。

To relieve the ___tedium of his two-hour daily commute, he started learning a new language through audio lessons.