5 sentences

1. 这个问题真把我将军了，一时间没法回答。

   zhè​ge wèn​tí zhēn bǎ wǒ jiāng​jūn le, yī​shí​jiān méi​fǎ huí​dá.

   This question really put me on the spot, and I couldn't answer it for a moment.

   Source: Dong Chinese Dictionary

2. 听到这个消息，他一时间不知道该说什么。

   tīng​dào zhè​ge xiāo​xi, tā yī​shí​jiān bù zhī​dào gāi shuō shén​me.

   Upon hearing the news, he didn't know what to say for a moment.

   Source: Dong Chinese Dictionary

3. 得知自己买的彩票中了头奖，他一时间欣喜若狂。

   dé​zhī zì​jǐ mǎi de cǎi​piào zhòng le tóu​jiǎng, tā yī​shí​jiān xīn​xǐ​ruò​kuáng.

   He was ecstatic when he learned that his lottery ticket had won the jackpot.

   Source: Dong Chinese Dictionary

4. 他一时间利欲昏迷，竟然做出了这种违法的蠢事。

   tā yī​shí​jiān lì yù hūn​mí, jìng​rán zuò​chū le zhè zhǒng wéi​fǎ de chǔn​shì.

   Blinded by greed for a moment, he actually committed such a stupid and illegal act.

   Source: Dong Chinese Dictionary

5. 面对这么复杂的问题，我一时间竟然不知道该从哪里下手。

   miàn​duì zhè​me fù​zá de wèn​tí, wǒ yī​shí​jiān jìng​rán bù zhī​dào gāi cóng nǎ​lǐ xià​shǒu.

   Faced with such a complex problem, I didn't even know where to begin.

   Source: Dong Chinese Dictionary