The security checker wants to check your baggage.

安检人员要检查您的行李。

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Please open your baggage! We'll perform the security check.

请打开行包，我们进行安全例检。

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Last month, disaster struck at Washington's Dulles International Airport when the Transportation Security Administration opened the case during a baggage check.

WSJ: Frequent-Flier Miles for Cellos, Other Large Musical Instruments Foment Debate--Middle Seat

These days, with overcrowded planes, long security lines and hefty fees to check baggage, flying often really does ... well, you know.

CNN: Sioux City SUX, and that's OK