2 sentences

1. 他娴于辞令，很擅长与人打交道。

   tā xián yú cí​lìng, hěn shàn​cháng yǔ rén dǎ​jiāo​dào.

   He is eloquent and very good at social interaction.

   Source: Dong Chinese Dictionary

2. 他不仅博学多才，而且极擅辞令，非常有口才。

   tā bù​jǐn bó​xué​duō​cái, ér​qiě jí shàn cí​lìng, fēi​cháng yǒu kǒu​cái.

   He is not only knowledgeable but also very eloquent.

   Source: Dong Chinese Dictionary