| 例句 |
red lightnoun something that tells of approaching danger or riskthe reporter took her glower as a red light and stopped asking questions caution, red flag, tip-off, tocsin, wake-up call, warning omen, portent, premonition, presagenotice, notificationbuoy, indicator, knell, sign, signalforetaste, foretokenannouncement, declaration handwriting on the wall all clear in 1849 |