首しゅ相しょう臨りん時じ代だい行こう

noun

acting prime minister

Refers to a person temporarily performing the duties of the prime minister, typically during absence or incapacity.

• 首しゅ相しょうが海かい外がい出しゅっ張ちょう中ちゅうは、副ふく総そう理りが首しゅ相しょう臨りん時じ代だい行こうを務つとめる。

  While the prime minister is on an overseas trip, the deputy prime minister serves as acting prime minister.