noun
preparatory operations; advance measures; groundwork
Refers to actions taken in advance to ensure a desired outcome, often in political, business, or strategic contexts. Can imply behind-the-scenes maneuvering.
選挙の前に、候補者は入念な事前工作を行った。
Before the election, the candidate carried out thorough preparatory operations.
交渉を有利に進めるために、事前工作が欠かせない。
Advance measures are essential to proceed with negotiations advantageously.