wèi / le / qǔ / dé / yōu / shì / tā / zài / qí / pán / shàng / gù / yì / fàng / qì / le / yí / gè / qì / zǐ为了取得优势,他在棋盘上故意放弃了一个弃子。To gain an advantage, he deliberately sacrificed a piece on the board.