2 sentences

1. 他向朋友表达了最真挚的祝福。

   tā xiàng péng​you biǎo​dá le zuì zhēn​zhì de zhù​fú.

   He expressed his most sincere wishes to his friend.

   Source: Dong Chinese Dictionary

2. 他非常珍视这段跨越了数十年的真挚友谊。

   tā fēi​cháng zhēn shì zhè duàn kuà​yuè le shù​shí nián de zhēn​zhì yǒu​yì.

   He deeply treasures this sincere friendship that has spanned several decades.

   Source: Dong Chinese Dictionary