1.crash down 倒下,崩塌
The avalanche had shaken and slid a little forward, but it did not yet crash down.
冰雪動搖了,有點兒向前移動;但還沒有崩塌下來 。
2.irrespective of 不管,不考慮
This service should be available to everybody, irrespective of whether they can afford it.
這項服務應該面向所有人,不管他們是否負擔得起 。