Blow something or someone out of the water: to destroy or defeat something or someone completely.
这个常用口语的意思是“完胜某人或某事”,在美国人的日常会话中经常可以听见。
造句:
This is the smartest idea I have ever seen and it blew all the rest ideas out of the water. (这是我所见过的最聪明的想法,完胜其他所有的想法。)