调休有点补假、换假的意思。

我们常说的请假的假，常用leave来表示，而调休一词就可以用leave in lieu来表达，in lieu是“替换、代替”的意思。

In addition to the Government, labour unions have also made concessions whereby employers are allowed to offer compensatory leave in lieu of compensation for overtime work, the flexible working hours system is extended, and so on. 

除了政府，工會也有讓步，容許僱主以補假作為逾 時工作的補償，以及擴大彈性工時制度等。 

An employer who has entered into a written agreement with an employee can grant leave in lieu of overtime pay to the employee.

僱主如預先與僱員業訂立書面協議，可以假期 代替有關僱員的逾時工作工資。