n.(常指意外的)伙伴，同伴，相伴之物

原形：bedfellow复数：bedfellows

My bedfellow and I decided to split up after years of living together.
我和我的同床共枕决定分开生活多年后。
She was shocked when she found out her husband had been unfaithful to his bedfellow.
她得知丈夫背叛了他的同床共枕后感到震惊。
Their relationship started as a casual fling, but it turned into a long-term bedfellow arrangement.
他们的关系起初是随意的风流韵事，但后来变成了长期的同床共枕安排。
Despite their differences, they managed to be each other's bedfellow for many years.
尽管他们有分歧，但他们还是成为了对方多年的同床共枕。
The couple decided to live separately, but they remained bedfellows for financial reasons.
这对夫妇决定分开居住，但出于经济原因，他们仍然是同床共枕。
He felt guilty about his affair with another woman, considering his bedfellow was still alive.
他对自己与另一名女子的婚外情感到内疚，考虑到他的同床共枕仍然活着。
They were just casual bedfellows, nothing more.
他们只是随意的同床共枕，没有更多了。
Their marriage ended, but they continued to be bedfellows for the sake of their children.
他们的婚姻结束了，但他们为了孩子继续保持着同床共枕的关系。
After their divorce, they agreed to remain bedfellows until their children were grown.
离婚后，他们同意在孩子们长大之前继续保持同床共枕的关系。
The old couple had been bedfellows for over 50 years, sharing a deep bond.
这对老夫妻已经共同度过了超过50年的时光，共享着深厚的情感纽带。