The radio was on at full blast.

【blast】收音机开到了最大音量。

During the rare moments that the television was off, Dad would put on his old Elvis records and play them at full blast.

很少有电视关掉的时候，爸爸会放他的旧猫王唱片， 开足马力播放。

It speeds up the heart — the whole body is roaring away at full blast like a furnace with all its draughts wide open.

它加快了心脏的速度——整个身体速咆哮， 就像一个大口大开的熔炉。