Phrasal Verb: Get at

Meaning: Criticise

Example: His boss is always GETTING AT him for arriving late.

Meaning: Mean

Example: What do you think she's GETTING AT? I've no idea what she wants.

Meaning: Be able to reach, find, access

Example: It's on the top shelf and I can't GET AT it.

Meaning: Use threats, payments, bribes, etc, to affect someone's testimony or decision

Example: The gangsters GOT AT the jury, who found them not guilty of all charges despite the evidence presented in court.