[, ]a statement, an event, etc. telling sb that sth bad or unpleasant is possible or might happen警告；警示◆The instructions contain a clear warning about the dangers of working with electricity.说明书对带电工作的危险性有明确警示。◆They ignored warnings of increasing costs.他们忽视了成本上升的警示。⨁a blunt / clear / dire / grim / stark warning直截了当的／清晰的／严重的／可怕的／严峻的警告⨁to give sb adequate / advance warning给予某人充分的／提前的警告 [] a statement telling sb that they will be punished if they continue to behave in a particular way（就将要遭受的处罚等提出的）警告◆Employees must receive two written warnings before being dismissed.员工须两次受到书面警告后才会被解雇。⨁a final / formal / an official warning最终／正式／官方的通知⨁an oral / a verbal / written warning口头／书面警示▸ˈwarning
adjective
[] ◆The poor results were warning signs of trouble ahead.差劲的业绩预示着前路困难重重。◆Warning bells began to ring(= it was a sign that sth was wrong) when he wasn't invited to the meeting.他未能获邀参加会议，这给他敲响了警钟。health warning profit warning