世博英语原创课程。未经本站授权，请勿转载！ Bite the bullet Meaning: to bravely accept something unpleasant. 【...

世博英语原创课程。未经本站授权，请勿转载！ break a leg Meaning: ( humorous spoken ) to wish someone good luck. ...

世博英语原创课程。未经本站授权，请勿转载！ ring a bell Definition: to sound familiar, to spark a memory 【世博精解...

世博英语原创课程。未经本站授权，请勿转载！ As quiet as a mouse Definition: Extremely quiet, doesn't talk much. ...

世博英语原创课程。未经本站授权，请勿转载！ find a needle in the haystack Definition: difficult to find or uncover...

世博英语原创课程。未经本站授权，请勿转载！ monkey around Definition: To handle something very casually; to do som...

世博英语原创课程。未经本站授权，请勿转载！ straight from the horse's mouth Definition: To receive information fro...

世博英语原创课程。未经本站授权，请勿转载！ to back someone up Definition: to support someone 【世博精解】 to ba...

世博英语原创课程。未经本站授权，请勿转载！ cost an arm and a leg Definition: to cost a fortune；be very expensive...

世博英语原创课程。未经本站授权，请勿转载！ beat one's brains out 绞尽脑汁 Definition: try very hard to understand or...