Sure Victory
Certain Victory, Sure Win, Certain Win
noun
A certain win sounds like a great thing. When these two kanji are put together, a certain victory is inevitable.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well. Take note that the つ in ひつ is turned into a small っ, though.
プロポーズ必勝の本が今年のベストセラーになりそうです。
The book about successful marriage proposals is likely to be a bestseller this year.
姉は必勝すると思い、宝くじに二万円を使った。
Thinking she would definitely win, my sister spent 20,000 yen on the lottery.
全日本大会で必勝するためには、何が必要ですか？
What do we need to do to ensure victory at the All-Japan Games?