Draw in (someone's) horns

Translation of "draw in (someone's) horns" into Russian

притянуть рога

After the financial loss, he had to draw in his horns and cut back on spending.

После финансовых потерь ему пришлось притянуть рога и сократить расходы.

To become more cautious, restrained, or less aggressive in one's actions or opinions, often after being overly bold or assertive.