It is extremely hard to tackle from behind without infringing one of these statements.

不违反这些规定的从背后阻截是非常非常难得。

youdao

A tackle from behind firstly, and the fact that it was around the knees means that you were lucky not to get sent off for that alone.

首先这是一个背后铲球，其次这个铲球是在膝盖附近，这意味着你应该为没有单单因为这个铲球被罚下而谢天谢地。

youdao

It is a classic tackle from behind-except the defender wins the ball cleanly and doesn't even touch the striker or knock him to the ground.

这就是典型的从背后阻截，除非防守队员干净的赢球并且根本不触及冲锋队员或者将其撞到在地。

youdao

Graham Alexander, a play-off winner at his seventh attempt, did bring down the largely anonymous Howard with a tackle from behind but Dean waved away United's penalty appeals.

BBC: Burnley 1-0 Sheff Utd

The ball came in from one of the lads to Emile, I'd gone to try and tackle him from behind - he didn't actually see me coming - we both went off balance and Emile's weight went down on my knee.

BBC: World Cup 2010: Wayne Rooney backed to control temper

And El Tri probably should have been awarded one in the 76th when Maurice Edu took down Aquino from behind with a sliding tackle.

WSJ: U.S., Mexico Tie 0-0 in World Cup Qualifier