Berean Standard Bible (BSB)
If you ever forget the LORD your God and go after other gods to worship and bow down to them, I testify against you today that you will surely perish.
World English Bible (WEB)
It shall be, if you shall forget Yahweh your God, and walk after other gods, and serve them, and worship them, I testify against you this day that you shall surely perish.
Strong's King James
And it shall be, if thou do at all{H7911}{(H8800)} forget{H7911}{(H8799)} the LORD{H3068} thy God{H430}, and walk{H1980}{(H8804)} after{H310} other{H312} gods{H430}, and serve{H5647}{(H8804)} them, and worship{H7812}{(H8694)} them, I testify{H5749}{(H8689)} against you this day{H3117} that ye shall surely{H6}{(H8800)} perish{H6}{(H8799)}.
The F.O.G *
It will happen, if you truly forget אֵת יהוה Yahweh your Elohim and go after other elohim (spiritual beings) to serve and worship them, I testify to you today that you will surely perish.
The F.O.G Message *
Young's Literal Translation
‘And it hath been—if thou really forget Jehovah thy God, and hast gone after other gods, and served them, and bowed thyself to them, I have testified against you to-day that ye do utterly perish;