3 sentences

1. 他通晓多门外语，在国际交流中游刃有余。

   tā tōng​xiǎo duō mén wài​yǔ, zài guó​jì jiāo​liú zhōng yóu​rèn​yǒu​yú.

   He is proficient in several foreign languages and navigates international communication with ease.

   Source: Dong Chinese Dictionary

2. 《论语》中提到，当时的鲁国已经缺少通晓礼乐的献了。

   《 Lún​yǔ》 zhōng tí​dào, dāng​shí de Lǔ​guó yǐ​jīng quē​shǎo tōng​xiǎo lǐ​yuè de xiàn le.

   The Analects mention that the State of Lu at that time lacked scholars who were well-versed in rites and music.

   Source: Dong Chinese Dictionary

3. 只有通晓了其中的基本原理，才能解决更复杂的问题。

   zhǐ​yǒu tōng​xiǎo le qí​zhōng de jī​běn yuán​lǐ, cái néng jiě​jué gèng fù​zá de wèn​tí.

   Only by mastering the basic principles can one solve more complex problems.

   Source: Dong Chinese Dictionary