老师问了一个问题，但我一时想不出答案。

Lǎoshī wèn le yí gè wèntí, dàn wǒ yìshí xiǎngbuchū dá'àn.

The teacher asked a question, but I couldn’t think of the answer for a moment.

请先看清楚问题，再回答。

Qǐng xiān kànqīngchu wèntí, zài huídá.

Please read the question carefully before answering.

这个问题我一时想不出答案，可以晚点告诉你吗？

Zhè gè wèntí wǒ yìshí xiǎngbuchū dá'àn, kěyǐ wǎndiǎn gàosu nǐ ma?

I can't think of the answer to this question for the moment; can I tell you later?