DUBAI (Reuters) - Iranians will chant "Death to America" as long as Washington continues its hostile policies, but the slogan is directed at President Donald Trump and U.S. leaders, not the American nation, Iran's supreme leader said on Friday.

"As long as America continues its wickedness, the Iranian nation will not abandon 'Death to America'," Ayatollah Ali Khamenei told a gathering of Iranian Air Force officers marking the 40th anniversary of Iran's Islamic Revolution, according to his official website.

Trump pulled out of Iran's 2015 nuclear deal with world powers last year and re-imposed sanctions on Tehran, dealing a blow to the country's economy.

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"'Death to America' means death to Trump, (National Security Adviser) John Bolton, and (Secretary of State Mike) Pompeo. It means death to American rulers," Ayatollah Khamenei said.

European signatories of the nuclear deal have been trying to save the accord, but Khamenei said they could not be trusted.

FILE PHOTO: Iranian Supreme Leader Ayatollah Ali Khamenei speaks in Tehran June 12, 2009. Reuters/Caren Firouz/File Photo FILE PHOTO: Iran's Supreme Leader Ayatollah Ali Khamenei speaks in Tehran September 14, 2007. Reuters/Morteza Nikoubazl/File Photo -/File Photo

"I recommend that one should not trust the Europeans just as the Americans," Khamenei said. "We don't say, don't have contacts with them, but it's an issue of trust."

The European Union has stepped up criticism of Iran's ballistic missiles program while remaining committed to the 2015 nuclear deal.