bite the dust idiom
重重倒在地上
to fall so that your body hits the ground heavily
As they came around the bend several riders bit the dust. 拐弯时几个骑手摔倒了。
倒毙，毙命
to die
失败，完蛋
to end in failure
His career bit the dust when he lost his job. 失业后，他的事业也完蛋了。