and gives so little [of himself for the good of his soul], and so grudgingly?

Gives a little, then hardens (his heart)?

And gave a little, then was grudging?

Those who avoid the great sins and the indecencies, but the passing idea -- surely thy Lord is Liberal in Forgiving. He knows best when He brings you forth from the earth and when you are embryos in the wombs of your mothers; so ascribe not purity to yourselves. He knows him best who guards against evil.

And gave a little and [then] refrained?