1. Please remember to log off of your computer before leaving the office.
请记得在离开办公室前注销电脑。

2. The system will automatically log you off after a period of inactivity.
在一段时间不活动后，系统将自动让你下线。

3. He always forgets to log off from his social media accounts, which can be risky for privacy.
他总是忘记退出社交媒体账号，这对隐私来说是有风险的。