LOS ANGELES, Calif. --

In a possible case of lost in translation lingo, Keith Urban tells reporters he doesn’t know what a “onesie” is.

Keith, who is expecting his first child with wife Nicole Kidman, has been receiving congratulatory baby gifts from his fans, along with the expansion of his American lingo baby vocabulary.

“We got a tie-dyed jumpsuit thing that we really like,” the country singer told People backstage at the CMA Music Festival in Nashville on Friday.

When he was told the gift was called a “onesie,” he reportedly looked perplexed and asked, “A what?”

“I’m learning a new vocabulary,” he said after repeating “onesie.”

And what about brining the entire Urban-Kidman family out on tour after Nicole gives birth?

“I love having [Nicole] with me when I tour, but at the same time, it’s work. You don’t want to ask too much of your family,” Keith told reporters.” We’ll just have to see what works for us.”

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