What does 暗礁 mean?
暗礁 is a Japanese noun meaning “reef” in English. It can also be translated as “unforeseen difficulty” depending on context. It is written as 暗礁 in kanji, あんしょう in hiragana, and anshou in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
輸入割り当て量についての多国間貿易交渉は暗礁に乗り上げてしまいました。
Multilateral trade negotiations ran aground over import quotas.