omen
n[C, U]
~ (of sth) (event regarded as a) sign that sth good or bad will happen in the future 预兆; 徵兆
a good/bad omen 好[坏]兆头
an omen of victory 胜利的预兆
a bird of ill omen 不祥的鸟.
No? Then, Antonio, be ready. And Shylock, take your knife and prepare to do the deed.
不能撕?那么,安东尼奥,你做好准备;夏洛克,拿起你的刀子准备割肉吧。
After the accident, all the lines and taps were clearly marked and new people joining the workforce were given a talk on safety before they started work.