Definition
Describes something that is unconventional, bizarre, or unexpected.
古怪的，怪诞的
He proposed an off-the-wall business plan that surprised everyone.
他提出了一个出人意料的商业计划，让每个人都感到惊讶。
The artist's work is known for its off-the-wall and unconventional style.
这位艺术家的作品以其非常规且出人意料的风格而闻名。
They came up with a very off-the-wall solution that we hadn't expected at all.
他们提出了一个非常出人意料的解决方案，我们完全没有想到。