1·The public should be on the lookout for symptoms of the disease.
公众应当留心这种疾病的症状。
—— 《牛津词典》
2·Be on the lookout for someone whose color you admire.
注意你羡慕的某些人的发色。
3·Always be on the lookout for something positive to say.
时刻注意要说一些积极的方面。
4·This is something for which you must constantly be on the lookout.
这是你必须一直密切注意的事。
5·I'll be on the lookout for a new deck of CARDS for you if you want.
如果你需要的话，我可以帮你买一副新的纸牌。
6·It is critical that teachers be on the lookout for signs of bullying.
这是很重要的，老师要注意霸凌所产生的迹象。
7·The researchers recommended that doctors and women be on the lookout for.
研究者建议医生和妇女们要注意以下情况。
8·Always be on the lookout for the opportunities to learn and improve your skills.
要时刻留意学习和提升技能的机会。
9·I doubt whether we shall run the guard; they are bound to be on the lookout for us.
我怀疑我们是否能越过哨兵线而不被发现，他们一定在注意我们。
10·Then be on the lookout for new opportunities. Take them when they arise and enjoy life.
然后，在工作之余可以关注一些新的机会，机会来的时候抓住它，享受生活。