early 14c., from Old French sauvete "safety, safeguard; salvation; security, surety," earlier salvetet (11c., Modern French sauveté), from Medieval Latin salvitatem (nominative salvitas) "safety," from Latin salvus (see safe (adj.)). Meaning "trigger-lock on a gun" is attested from 1881.
As a North American football position, first recorded 1931. As a type of score against one's own team, 1881. Safety-valve, which diminishes the risk of explosion, is from 1797; figurative sense recorded from 1818. Safety-net in literal sense (in machinery) by 1916, later of aerial circus performances (1920s); figurative use by 1950. Safety-first as an accident-prevention slogan first recorded 1873.
雙語例句
1. They offer tips on topics such as home safety.
他們就家居安全等問題提供建議。
來自柯林斯例句
2. The built-in safety device compensates for a fall in water pressure.
該內(nèi)置式安全裝置在水壓下降時能提供保護。
來自柯林斯例句
3. The five survivors eventually reached safety, ragged, half-starved and exhausted.
5位幸存者最終到達安全之地時已經(jīng)衣衫襤褸、饑腸轆轆、精疲力盡。
來自柯林斯例句
4. Despite its demonstrable speed and safety, the boat failed to become popular.
雖然其速度和安全性都可得到證明，但這種船還是不受歡迎。
來自柯林斯例句
5. Contact the health and safety rep at your union.