Definition
Without any specific purpose; simply for amusement or the enjoyment of it.
就是喜歡，無其他目的
I went to the concert yesterday just for the heck of it.
我昨天去聽音樂會，僅僅是為了好玩。
He wasn't really planning on buying the car; he just test-drove it for the heck of it.
他其實沒打算買那輛車，只是為了好玩試駕了一下。
We decided to repaint the house pink just for the heck of it.
我們決定把房子漆成粉紅色，僅僅是為了好玩。