United Kingdom, June 8 -- Chris Evans thinks he "screwed up" his marriage proposal.

The 43-year-old actor spent time learning how to ask Alba Baptista for her hand in marriage in her native Portuguese, and though he learned the right phrase, he was so "nervous" when the big moment came, he isn't convinced he said the correct words.

Speaking to The Knot, Chris - who has been married for two years - said: "I proposed to my wife in Portuguese. She's Portuguese, so I learned how to say, 'Will you marry me?' in Portuguese. I had practiced it all week...

"I got really nervous when it came time to do it. I actually think I screwed it up, but I still know it."

The Materialists star feared he would ruin his own proposal in the days leading up ...