77:39

فَإِن كَانَ لَكُمْ كَيْدٌ فَكِيدُونِ

Transliteration:

Fa-in kana lakum kaydun fakeedooni

Word by Word:

So if is for you a plan, then plan against Me.

Translations:

and if you [think that you] have a subterfuge left, try to outwit Me!"

Now, if ye have a trick (or plot), use it against Me!

If now ye have any wit, outwit Me.

So if you have a plan, plan against me (now).

So if you have a plan, then plan against Me.