'Shaking' in the Bible

From now on I will put the fear of you in all peoples under heaven, who, hearing of you, will be shaking with fear and grief of heart because of you.

When you are shaking the fruit from your olive-trees, do not go over the branches a second time: let some be for the man from a strange land, the child without a father, and the widow.

And even among these nations there will be no peace for you, and no rest for your feet: but the Lord will give you there a shaking heart and wasting eyes and weariness of soul: