3．Well，we'll have to take a chance.

哦，我们得冒点儿风险。

take a chance＝take chances冒险，碰运气

by chance偶然地；意外地

have a chance to do sth./of doing sth.有希望做某事

有可能......

(1)Everyone in the classroom likes to take a chance/take chances.教室里的每个人都喜欢冒险。

(2)She has a good chance of being promoted.

她升职的可能性非常大。

(3)It was by chance that she came across this old photo.纯属偶然，她找到了这张老照片。

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(4)The chance is that he has paid off his debt.

①Chances are that he has paid off his debt.

②There is a chance that he has paid off his debt.

4．(in a rude manner) What's there to wait for?

(很不耐烦地)还等什么？

(1)rude adj.粗鲁的，无礼的

be rude to sb.对某人无礼

It's rude (of sb.)to do sth.(某人)做某事是无礼的。

(2)rudely adv.粗鲁地

(1)He was punished because he was rude to his teacher.他受到了处罚，因为他对老师不礼貌。

(2)It is rude to speak with your mouth full.

满嘴含着东西讲话是不礼貌的。

(3)Suddenly he rushed in and interrupted our talk rudely(rude)．

突然他闯进来，粗鲁地打断了我们的谈话。

manner n.方式，举止常用单数；礼貌，规矩，习俗常用复数

in a/an...manner以......的方式

It's good/bad manners to do sth.做某事是有/没有礼貌的。

(4)The storekeeper always talked to me in a polite manner.店主总是很有礼貌地和我说话。

(5)It is bad manners(manner) to shout at others.