他是一位见多识广的旅行者。

Tā shì yī wèi jiànduōshíguǎng de lǚxíngzhě.

He is a well-traveled person with broad knowledge.

这位老人见多识广，经验丰富。

Zhè wèi lǎorén jiànduōshíguǎng, jīngyàn fēngfù.

This elderly person is knowledgeable and experienced.

这位导游见多识广，讲解得非常生动有趣。

Zhè wèi dǎoyóu jiànduōshíguǎng, jiǎngjiě dé fēicháng shēngdòng yǒuqù.

This tour guide is knowledgeable and gives lively and interesting explanations.