What does 地雷 mean?
地雷 is a Japanese noun meaning “land mine” in English. It can also be translated as “topic that sets someone off, something that seems fine at first but turns out to be very bad (e.g. product, business)” depending on context. It is written as 地雷 in kanji, じらい in hiragana, and jirai in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
彼は地雷の上を運転して、彼のジープは爆裂した。
He drove over a land mine and his jeep blew up.