Definition
When a machine or other object seems to behave or move in a way that is not controlled by the person using it, it is said to have a mind of its own.
（機器或其他物品）似乎不受使用者控制，能自行運作或移動。
This old car seems to have a mind of its own; sometimes it just won't start.
這輛老爺車似乎有自己的想法；有時就是無法發動。
I tried to close this app, but it seems to have a mind of its own and keeps reopening.
我試圖關閉這個應用程序，但它似乎有自己的想法，一直重新打開。
This printer seems to have a mind of its own; it refuses to print anything today.
這台印表機似乎有自己的想法；今天拒絕列印任何東西。