7 sentences

1. 他有胆量担当这个重任。

   tā yǒu dǎn​liàng dān​dāng zhè​ge zhòng​rèn.

   He has the courage to take on this heavy responsibility.

   Source: Dong Chinese Dictionary

2. 他勇敢地承担起这份重任。

   tā yǒng​gǎn de chéng​dān qǐ zhè fèn zhòng​rèn.

   He bravely took on this heavy responsibility.

   Source: Dong Chinese Dictionary

3. 以他的能力，绝对足以胜此重任。

   yǐ tā de néng​lì, jué​duì zú​yǐ shèng cǐ zhòng​rèn.

   Given his ability, he is certainly capable of handling this important task.

   Source: Dong Chinese Dictionary

4. 青年一代肩负着振兴中华的重任。

   qīng​nián yī dài jiān​fù zhe zhèn​xīng Zhōng​huá de zhòng​rèn.

   The younger generation shoulders the heavy responsibility of rejuvenating China.

   Source: Dong Chinese Dictionary

5. 这份工作让他身荷重任，压力非常大。

   zhè fèn gōng​zuò ràng tā shēn hè zhòng​rèn, yā​lì fēi​cháng dà.

   This job burdens him with heavy responsibilities and high pressure.

   Source: Dong Chinese Dictionary

6. 既然这件重任托在我的身上，我一定会负责到底。

   jì​rán zhèi jiàn zhòng​rèn tuō zài wǒ de shēn​shang, wǒ yī​dìng huì fù​zé dào​dǐ.

   Since this heavy responsibility has been placed on me, I will see it through to the end.

   Source: Dong Chinese Dictionary

7. 作为家中的长孙，他从小就肩负着继承家族事业的重任。

   zuò​wéi jiā​zhōng de zhǎng​sūn, tā cóng​xiǎo jiù jiān​fù zhe jì​chéng jiā​zú shì​yè de zhòng​rèn.

   As the eldest grandson of the family, he has borne the responsibility of inheriting the family business since childhood.

   Source: Dong Chinese Dictionary