To inform or notify of a fault; to rebuke gently or kindly, but seriously; to tell off.
To advise against wrongdoing; to caution; to warn against danger or an offense.
To instruct or direct.
To complain or argue in a trivial or petty manner.
To contest, especially some trivial issue in a petty manner.
An objection or argument based on an ambiguity of wording or similar trivial circumstance; a minor complaint.