Translation:

9. And when he learns something of Our Signs he takes them in jest: for such there will be a humiliating Penalty.

Notes (Tafseer)

4743. Note that in each of the verses 8-11 the Penalty is characterised by a certain description, which accords with the crime. (1) In verse 8, the man is arrogant about the Signs of Allah's love and care all around him, and his Penalty is "grievous". (2) In verse 9, he ridicules Allah's Signs, and his Penalty is "humiliating": he makes himself a ridiculous fool, (3) and (4) are described in the two following notes.