挂

Meaning

• to hang; to suspend (from a hook etc)
• to hang up (the phone)
• (of a line) to be dead
• to be worried; to be concerned
• (dialect) to make a phone call
• to register (at a hospital); to make an appointment (with a doctor)
• (slang) to kill; to die; to be finished; to fail (an exam)
• classifier for sets or clusters of objects