1．raise or remove by an explosion 爆炸；炸毀
*The explosin blasted the roof off．砲彈把房頂炸飛了。
2．（of a space vehicle）rise into space（火箭，導彈）發射；升空
*The jet fighters blasted off from the deck of the aircraft carrier．噴氣式戰鬥機從航空母艦的甲板上起飛。
*The missile will blast off at 10 a．m．local time．這枚導彈將在當地時間上午10點發射。
3．show ill temper towards sb．對某人發脾氣
*When I entered the room he was blasting off．我進屋時他正在大發雷霆。
*The boss blasted off at the staff for poor business．由于生意不好，老板向雇員們發火。