| 例句 |
red flagsnounpl. of red flag something that tells of approaching danger or riskthe résumé she accidentally left on the office printer was a red flag that she was planning to quit cautions, red lights, tip-offs, tocsins, wake-up calls, warnings omens, portents, premonitions, presagesnotices, notificationsbuoys, indicators, knells, signals, signsforetastes, foretokensannouncements, declarations all clears |