| 例句 |
tocsinnoun an object intended to give public notice or warningthe tocsin rang out, warning us of the approaching tornado flag, signal red lightknell something that tells of approaching danger or risknoted that a sudden drop in a student's grades may be a tocsin of a serious personal problem caution, red flag, red light, tip-off, wake-up call, warning omen, portent, premonition, presagenotice, notificationbuoy, indicator, knell, sign, signalforetaste, foretokenannouncement, declaration handwriting on the wall all clear in 1586 |