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1·The good news bucked us all up.

好消息使我们全都为之振奋。《牛津词典》

2·The boat bucked and heaved beneath them.

小船在他们脚下猛烈颠簸着。《牛津词典》

3·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。《柯林斯英汉双解大词典》

4·The horse twisted and bucked and finally dismounted its rider.

那匹马扭动并猛然弓背跃起，使得骑手摔下马。

5·Once the kids have been bucked off, the game generally dissolves into a raucous bout of wrestling and tickling.

一旦孩子们跃起，游戏就会变成一场喧闹的摔跤和挠痒痒。

6·The horse bucked the rider off .

马跃起将骑手摔于马下。

7·The morning fresh air bucked him up.

早晨的新鲜空气使他精神抖擞。

8·The donkey bucked when it saw the snake.

毛驴看见蛇时，猛然弓背跃起。

9·The horse bucked and the rider fell off.

这匹马猛然跃起，骑手摔了下来。

10·The wild horse bucked its first rider off.

野马把第一个骑手掉。

(1)buck up使振作；打起精神；[俚]加快

(1)buck the trend反潮流

(1)fast buckn. 轻易得来的钱；投机赚钱

(1)bang for the buck划算；合算；货真价实