熟悉
shúxī
familiar with, to be familiar with
adjective/verb
Example
我对这个城市很熟悉，可以给你当导游。
Wǒ duì zhège chéngshì hěn shúxī, kěyǐ gěi nǐ dāng dǎoyóu.
I'm very familiar with this city, I can be your tour guide.
Commonly used with 对 (duì) to express familiarity with something or someone. The opposite is 陌生 (mòshēng).