A bomb blast had weakened an area of brick on the back wall.

炸弹爆炸使后墙的块砖都松动了。

《柯林斯英汉双解大词典》

At that point there was a huge blast and in all the smoke I managed to run back down the fire escape.

就在那时候发生了一次很大的爆炸，在浓烟中我设法从防火通道中跑了下来。

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Start your run into the wind and finish with it at your back, so the breeze doesn't blast you after you've broken a sweat.

起跑时迎着风跑，回来时背着风跑，这样刺骨的寒风就不会在你出汗以后还肆掠地打在你身上了。

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After Partington, a father of six who suffered 40% burns and a broken back in the blast, admitted causing the explosion the family tried to make something good come from the tragedy.

BBC: Manchester

That brought Lee to the crease, and he was happy to support Hussey with some obdurate defence - although he did well to blast back-to-back fours through the covers against off-spinner Virender Sehwag.

BBC: Hussey knock keeps Aussies on top

The blast had knocked him back, into a semi crouch.

NPR: The Finish Line: What The Bombing Was Like