他的冷淡态度让新同事感到难以接近。

His ___unfriendliness made the new coworkers feel difficult to approach.

那位店员的不友好态度让我感到很不舒服。

The ___unfriendliness of the shop assistant made me feel uncomfortable.

商店员工的冷淡态度让我们决定不再光顾这家店。

The ___unfriendliness of the store staff made us decide not to shop there again.