4 sentences

1. 唯有至尊方可身着龙袍。

   wéi​yǒu zhì​zūn fāng kě shēn zhuó lóng​páo.

   Only the supreme ruler can wear the dragon robe.

   Source: Dong Chinese Dictionary

2. 唯有当今圣上能决断此事。

   wéi​yǒu dāng​jīn shèng​shàng néng jué​duàn cǐ shì.

   Only the current Emperor can decide this matter.

   Source: Dong Chinese Dictionary

3. 唯有不断努力，才能实现梦想。

   wéi​yǒu bù​duàn nǔ​lì, cái néng shí​xiàn mèng​xiǎng.

   Only through constant effort can one realize their dreams.

   Source: Dong Chinese Dictionary

4. 唯有当事人知道这件事的底蕴。

   wéi​yǒu dāng​shì​rén zhī​dào zhèi jiàn shì de dǐ​yùn.

   Only those involved know the inside story.

   Source: Dong Chinese Dictionary