so help me (God)
US /soʊ hɛlp mi (ɡɑd)/
UK /soʊ hɛlp mi (ɡɑd)/

1.
que Dios me ayude, lo juro por Dios
used to emphasize that one is telling the truth or making a very serious promise or threat
:
•
I swear I didn't do it, so help me God!
Juro que no lo hice, ¡que Dios me ayude!
•
I'll get to the bottom of this, so help me.
Llegaré al fondo de esto, que Dios me ayude.