Iran remains an enigma for the outside world.

伊朗对外部世界而言依然是个谜。

《柯林斯英汉双解大词典》

Time is almost up, and Iran remains defiant.

时间将尽而伊朗仍无动于衷，目中无人。

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The bottom line demand remains, however that Iran must actually suspend the enrichment of uranium, the nuclear fuel source that can be used for generating energy, but also for making nuclear weapons.

然而，最基本的要求仍然是伊朗必须真正终止浓缩铀活动。浓缩铀既可用来发电，又可用来制造核武器。

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But spokesman Kelly said Clinton remains engaged in telephone diplomacy on Iran, discussing the election violence Wednesday with Russian Foreign Minister Sergei Lavrov and Chinese Foreign Minister Yang Jiechi.

VOA: standard.2009.06.24

I believe the choice should be clear." Though foreign affairs committee approval, which occurred by voice vote, is a significant step toward a vote by the full House of Representatives, the Iran Refined Petroleum Sanctions Act remains subject to consideration by two other House panels.

VOA: standard.2009.10.28

Iran remains the chief state sponsor of terrorism and is on the path to acquiring nuclear weapons.

CNN: McCain: Change is coming

Al-Qaida leaders lost some control over global terrorism, and Iran remains the leading state sponsor of terrorist activity.

NPR: Iran Most Active in Terrorism, Says State Dept.

Iran remains Hezbollah's most important patron, but Syria is a crucial supply route.

NPR: Hezbollah-Backed Lebanese Shiites Fight In Syria