They wriggled uncomfortably, for they knew he would not scruple [hesitate] to ram them down with poles.
他们不安地扭动着身子，因为他们知道他会毫不犹豫地用棍子把他们打下去。
2
They got a battering ram to smash down the door.
他们用一个攻城木粉碎了大门。
《柯林斯英汉双解大词典》
3
It works by placing the files on a RAM disk (it cuts downRAM for applications, slowing performance, but remember, our goal is to assess the system's security).