The price of liberty is eternal vigilance. 自由的代價(jià)是永久提高警惕。
Eg.We must step up our vigilance. 我們一定要提高警惕。
Sniping may be a problem and senior officers must exercise due care when travelling about their areas. 放冷槍進(jìn)行暗算可能是個(gè)大問(wèn)題，所以高級軍官路經(jīng)他們地區時(shí)必須小心防范。
I slid back the panelled sides, got in with my light, pulled them together again, and felt secure against the vigilance of Heathcliff, and everyone else. 我推開(kāi)嵌板的門(mén)，拿著(zhù)蠟燭進(jìn)去，把嵌板門(mén)又合上，覺(jué)得安安穩穩，躲開(kāi)了希刺克厲夫以及其他人的戒備。
Police's vigilance was eventually rewarded. 警方時(shí)時(shí)警戒終有所獲。
Eternal vigilance is the price of liberty. 自由的代價(jià)乃是永恒的警戒。
