draw in _ horns
口語·表示收斂或變得謹慎
例句
After losing a lot of money, he decided to draw in his horns and invest more carefully.
典故來源
源自蝸牛或蝸牛類動物遇到危險時將觸角縮回殼中，比喻人收斂行為或變得謹慎。