她移居国外后，我们逐渐失去了联系。

After she moved abroad, we gradually ___lost ___touch.

没有社交媒体，很容易和老同学失去联系。

Without social media, it's easy to ___lose ___touch with old classmates.

他们承诺保持联系，但最终还是失去了联系。

They promised to stay in contact, but eventually ___lost ___touch.