lose touch

Verb

 * 1)  To lose contact (with).
 * Friends that I had lost touch with years ago suddenly found me again.
 * At times, people with psychotic disorders lose touch with reality.

Usage notes
When the verb is applied to an item with which one has lost contact, the item is usually accompanied by the preposition "with".

Translations

 * Chinese:
 * Mandarin: 失去聯繫, 失去联系 (shīqù liánxì),
 * Finnish: menettää yhteys, vieraantua
 * Hungarian: elveszti/elveszíti a kapcsolatot