en_tn_lite_do_not_use/gal/02/02.md

and set before them the gospel that I preach among the Gentiles

"and told them the gospel that I preach to the Gentiles"

those who seemed to be important

"those who were recognized as leaders

I was not running—or had not run—in vain

"I was not working—or had not worked—in vain" or "I was doing, or had done, profitable work"