a small tool that is used to form food into balls, or to remove the flesh of fruit, etc.

Make melon balls using a melon baller or teaspoon. 用搓球机或者小勺子做成水果球。

a person who plays a ball game, especially someone who plays basketball well

The highlight was seeing a video of my favourite baller shattering the backboard. 最精彩的是看到我最喜欢的球星大力扣篮的视频。

a successful person, especially one who is rich, lives well and buys expensive things

Now he's a baller, a ghetto star, still in his teens making six figures. 他现在可是成功人士，一颗从贫民窟升起的明星，不过十几岁的年纪就已经有六位数的收入。