互ご用よう

noun

using together; using in turn

Refers to using two or more things together or alternately. Often used in contexts like shared use of a resource, or alternating between two methods.

• この部屋へやは二ふたつの部ぶ署しょで互ご用ようしている。

  This room is used jointly by two departments.

• 二ふたつの方ほう法ほうを互ご用ようして問もん題だいを解かい決けつした。

  We solved the problem by using the two methods in turn.