6 sentences

1. 现在行动是否为时已晚？

   xiàn​zài xíng​dòng shì​fǒu wéi​shí​yǐ​wǎn?

   Is it now too late to act?

   Source: CCMatrix

2. 没有人会知道，直到为时已晚。

   méi​yǒu​rén huì zhī​dao, zhí​dào wéi​shí​yǐ​wǎn.

   No one will know until it is too late.

   Source: CCMatrix

3. 有人在为时已晚之前找到她。

   yǒu rén zài wéi​shí​yǐ​wǎn zhī​qián zhǎo dào tā.

   Someone found her before it was too late.

   Source: CCMatrix

4. 我们当然叫了医生，但为时已晚。

   wǒ​men dāng​rán jiào le yī​shēng, dàn wéi​shí​yǐ​wǎn.

   Of course, we called a doctor, but it was too late.

   Source: OpenSubtitles

5. 什么时候拉响警报才为时已晚呢？

   shén​me​shí​hou lā xiǎng jǐng​bào cái wéi​shí​yǐ​wǎn ne?

   When is it too late to sound the alarm?

   Source: CCMatrix

6. 当他意识到自己的错误时，为时已晚。

   dāng tā yì​shi dào zì​jǐ de cuò​wù shí, wéi​shí​yǐ​wǎn.

   When he realized his mistake, it was already too late.

   Source: UM-Corpus: News