What does 苦労 mean?
苦労 is a Japanese noun meaning “hardship; suffering” in English. It can also be translated as “anxiety” depending on context. It is written as 苦労 in kanji, くろう in hiragana, and kurou in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
せっかくの苦労もあだになった。
All my pains went for nothing.