5 sentences

1. 你可要多加小心。

   nǐ kě yào duō​jiā xiǎo​xīn.

   You must be extra careful.

   Source: OpenSubtitles

2. 他心怀不善，你要多加小心。

   tā xīn​huái bù​shàn, nǐ yào duō​jiā xiǎo​xīn.

   He harbors ill intentions, so you should be extra careful.

   Source: Dong Chinese Dictionary

3. 家里的事就请你多加分心了。

   jiā lǐ de shì jiù qǐng nǐ duō​jiā fēn​xīn le.

   Please look after the household matters for me.

   Source: Dong Chinese Dictionary

4. 前面的山路非常险，你要多加小心。

   qián​miàn de shān​lù fēi​cháng xiǎn, nǐ yào duō​jiā xiǎo​xīn.

   The mountain road ahead is very dangerous; you should be extra careful.

   Source: Dong Chinese Dictionary

5. 请您在中间多加周全，促成这桩婚事。

   qǐng nín zài zhōng​jiān duō​jiā zhōu​quán, cù​chéng zhè zhuāng hūn​shì.

   Please help mediate to see this marriage through.

   Source: Dong Chinese Dictionary