A: It’s said that the gloves are off in the custody battle between Jones and Miller over their 4-year-old son.

B: All divorce cases will become ugly when it comes to fighting for the custody of children.

Note: This saying means “there is going to be a serious fight.” In boxing games, people always put on gloves, which cushion the blows. The image here is that of removing boxing gloves in order to inflict more damage. It’s used to express the notion that something will be done in an uncompromising or brutal way. You can also say that someone takes the gloves off, meaning they get ready to fight or compete with someone else.