I was going to sho nuff be in trouble if she saw me.
如果她看到我，我肯定会有麻烦的。
英语百科
Sho'nuff
Sho' Nuff is a slang expression meaning "sure enough", that comes from the characteristic black American accent and speech since the beginning of the twentieth century. It was widely used in blues music, sometimes as an interjection.