单词 | knock-off signal |
释义 | > as lemmasknock-off signal 1. knock-off time, time to ‘knock off’ or leave off work. Also knock-off signal, knock-off whistle, etc. See sense A. 2. ΘΚΠ society > occupation and work > work > times or periods of work > [noun] > stopping work > stopping time upwark15.. leaving-off time1834 quitting time1835 knocking-off1883 shutting-up time1889 knock-off time1899 thirty1929 1899 F. T. Bullen Log of Sea-waif 108 It was ‘knock-off’ time. 1902 Daily Chron. 13 June 6/3 After the ‘knock-off’ signal had been given. 1947 K. Tennant Lost Haven xvi. 249 The knock-off whistle blew at the mill. < as lemmas |
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