脑筋急转弯

xiǎo cè yàn zhōng yǒu yī xiē zhēn zhèng de nǎo jīn jí zhuǎn wān

小测验中有一些真正的脑筋急转弯。

There were some real brain-teasers in the quiz.

dāng nǐ dì yī cì bèi wèn jí nǎo jīn jí zhuǎn wān wèn tí shí bù yào huāng zhāng

当你第一次被问及脑筋急转弯问题时，不要慌张。

Don't panic when you first hear a brain-teaser question.