at her pleasure - rather, “in her ardor,” namely, in pursuit of a male, sniffing the wind to ascertain where one is to be found [Maurer].
occasion - either from a Hebrew root, “to meet”; “her meeting (with the male for sexual intercourse), who can avert it?” Or better from an Arabic root: “her heat (sexual impulse), who can allay it?” [Maurer].
all they - whichever of the males desire her company [Horsley].
will not weary themselves - have no need to weary themselves in searching for her.
her month - in the season of the year when her sexual impulse is strongest, she puts herself in the way of the males, so that they have no difficulty in finding her.