sticking point

Noun

idiomatic dated

(idiomatic) A disputed issue or state of affairs that causes an interruption or outright impasse in progress towards some goal or resolution, especially in negotiation or argumentation.

Japanese Meaning

交渉や議論の進行を妨げる主な争点、または問題点 / 合意や解決を阻む決定的な障害、懸案事項

What is this buttons?

The proposed zoning change became the sticking point that derailed the entire development agreement.

Google Translation / DeepL Translation

提案された区域指定の変更が、開発契約全体を頓挫させた主要な障害となった。

Details

Sense（1）

(idiomatic) A disputed issue or state of affairs that causes an interruption or outright impasse in progress towards some goal or resolution, especially in negotiation or argumentation.