禁品

別緊張，如此一來他就不會認為你帶了違禁品而開箱檢查耽擱時間。

bié jǐnzhāng rúcǐ yìlái tā jiù búhuì rènwéi nǐ dài le wéijìnpǐn ér kāixiāng jiǎnchá dānge shíjiān

Don't be nervous. Because of this he won't think you're carrying any contraband, and won't open your trunk to check, and hold you up.