The two ships lost each other in the fog.

两条船在迷雾中彼此失去联系。

《新英汉大辞典》

The two ships drifted apart in the storm, and lost each other.

这两艘船在暴风雨中失散了。

youdao

It seemed as if somewhere between the oldest son's first tooth and the youngest son's graduation they had lost each other.

好像从他们长子长第一颗牙开始到他们最小儿子的毕业典礼，他们之间不再有任何联系似的。

youdao

Mr. CHET BAKER: (Singing) Let's get lost, lost in each other's arms.

NPR: Dizzy and Chet, a Jazz Odd Couple

We lost sight of each other and the ability to fight as a team.

CNN: Pilot: Combat 'as terrifying as I thought'

In an instant the men lost touch of each other.

FORBES: Has Sandy Capsized Your Life? Here's One Thing To Be Thankful For