an unusual, exciting, and possibly dangerous activity, such as a trip or experience, or the excitement produced by such an activity

go on an adventure They went on an adventure hunting for treasure in the western hills.

have an adventure She had some exciting adventures in Egypt. 她在埃及经历了一些很刺激的奇遇。

sense of adventure Sam won't come - he's got no sense of adventure (= he does not enjoy dangerous or exciting situations). 萨姆不会来的，他不喜欢冒险。

We got lost on the Metro - it was quite an adventure. 我们在地铁里迷了路，还真是挺惊险的。