buck

1. N-COUNT A buck is a U.S. or Australian dollar. 美元; 澳元[非正式]

That would probably cost you about fifty bucks. 那可能会花费你大约五十美元。

Why can't you spend a few bucks on a coat?

为什么你不能花几美元买件外套呢？

2. N-COUNT A buck is the male of various animals, including the deer, antelope, rabbit, and kangaroo. (雄鹿、公羊、雄兔、雄袋鼠等) 雄性动物

3. N a young man 年轻男人[美国英语] [非正式]

4. N a type of vaulting horse 鞍马[gymnastics]

5. N a marker in the jackpot to remind the winner of some obligation when his turn comes to deal (提醒赢家履行义务的)标识[poker]

6. ADJ If someone has buck teeth, their upper front teeth stick forward out of their mouth. 外龅的[ADJ n]

7. V-I If a horse bucks, it kicks both of its back legs wildly into the air, or jumps into the air wildly with all four feet off the ground. (马) 狂蹬后腿跃起; 四蹄离地狂跳

The stallion bucked as he fought against the reins holding him tightly in. 那匹种马四蹄离地狂跳，试图挣脱紧紧拴住它的缰绳。

8. V-T If you buck the trend, you obtain different results from others in the same area. If you buck the system, you get what you want by breaking or ignoring the rules. 违逆 (潮流); 抗拒 (体制)

While other newspapers are losing circulation, we are bucking the trend. 其他报纸发行量在下降，而我们却逆势而进。

He wants to be the tough rebel who bucks the system. 他想成为抗拒体制的强硬叛逆者。

9. V to cut (a felled or fallen tree) into lengths 把(伐倒的树木)截成段[美国英语]

10. PHRASE If you pass the buck, you refuse to accept responsibility for something, and say that someone else is responsible. 推诿责任[非正式]

David says the responsibility is Mr. Smith's and it's no good trying to pass the buck. 大卫说责任应该由史密斯先生承担，试图推诿责任毫无益处。