蛙式 (waa1 sik1) — (swimming) breaststroke [華]: 蛙泳, 胸泳 in Cantonesewaaˉ¹蛙sikˉ¹式Mandarin Pinyin: wa1 shi4Meaning of 蛙式noun(swimming) breaststroke [華]: 蛙泳, 胸泳