to be hungry, to be ready to eat

to be in a protected job, to be unable to be fired

to be childish or naive

a vice-president, deputy, or second-in-command

a highly trusted messenger or courier

an employee suffering from an infectious disease

a direct line of communication (usually to senior management)

a computer chip design which allows access defective memory blocks

to trigger, to start a chain reaction which leads to the collapse of a company

to detect, to discover something that was previously hidden