כִּי־יָשֹׁ֥חוּ בַמְּעוֹנ֑וֹת יֵשְׁב֖וּ בַסֻּכָּ֣ה לְמוֹ־אָֽרֶב׃
When they couch in their dens, And abide in the covert to lie in wait?
Rashi on Job
to lie in wait so is the habit of those who lie in wait, to crouch and to stoop themselves so that they will not be recognized.