Definition: in or on the part of something under its surface Level: B2
把护照放在安全的内袋里以防扒手。
Keep your passport in a secure ___inside pocket to avoid pickpockets.
整个旅程中，她的手机在她外套的内袋里很安全。
Her phone was safe in her coat's ___inside pocket throughout the journey.
为了更安全，这个腰包有两个隐藏的内层隔间。
For extra security, the money belt has two hidden ___inside compartments.
