随着谈判的进行，双方的分歧正在加深。

The disagreement between both sides is ___deepening as the negotiation progresses.

夕阳西下时，天空的颜色逐渐加深。

As the sun set, the color of the sky was ___deepening.

政府正在深化对教育体系的改革。

The government is ___deepening its reforms in the education system.