暗礁

• Reading: あんしょう
• Romaji: anshou
• Kanji breakdown: 暗 (an) — dark, hidden; 礁 (shou) — reef, submerged rock
• Pronunciation: /aɴ.ɕoː/

Meaning

Reef; hidden rock; obstacle; snag. An unseen danger or serious impediment to progress.

A noun literally meaning a submerged rock or reef dangerous to ships. Used metaphorically in the phrase 暗礁に乗り上げる (to run aground on a reef) to describe plans, negotiations, or projects that hit an unexpected and serious obstacle. The hidden nature of the reef is key — it implies the obstruction was not foreseen.

Examples

1. 交渉は財政問題で暗礁に乗り上げ、合意の見通しが立たなくなった。 Negotiations hit a reef over fiscal issues, and there was no longer any prospect of reaching an agreement.
2. 計画が暗礁に乗り上げた原因を徹底的に分析した。 We thoroughly analyzed the cause of the plan running aground.
3. 複数の利害関係者の対立が、プロジェクトを暗礁へと追いやった。 Conflicts among multiple stakeholders drove the project onto the rocks.

Usage Guide

Context: negotiations, business, politics, project management

Tone: serious

Origin & History

Sino-Japanese compound: 暗 (an) means dark or hidden, 礁 (shou) means reef or rock in the sea. Together: 'hidden reef,' a danger lurking beneath the surface.

Cultural Context

Era: Modern

Generation: Adult

Social background: Business