任にん期き中ちゅう

noun which may take the genitive case particle 'no'

during one's tenure; while in office

Used to describe events, actions, or states occurring within the period someone holds a position.

• 任にん期き中ちゅうに大おおきな改かい革かくを行おこなった。

  He carried out major reforms during his tenure.

• 任にん期き中ちゅうの業ぎょう績せきが評ひょう価かされた。

  His achievements while in office were highly regarded.