end up in 在...中结束
end up with后面的宾语是其主语的一部分,而end up in后面的宾语是其主语(一件事情、一个活动等)的结果。:
The meeting ended up with a song.(a song是主语The meeting 的一部分,即歌曲之后整个会议结束).
Their effort ended up in failure(failure是主语Their effort 的结果).
因……而结束。
Their effort ended up in failure.