at will
01
随意, 自行决定
in a manner that is entirely at one's discretion or by one's own choice, without limitation or restraint
例子
In this video game, you can change characters at will.
在这款视频游戏中，你可以随意更换角色。
The dictator could arrest people at will with no legal oversight.
独裁者可以随意逮捕人，而没有任何法律监督。
