Chinese Greetings

我非常感谢您特地抽空过来，事先也没通知。

Wǒ fēicháng gǎnxiè nín tèdì chōukōng guòlái, shìxiān yě méi tōngzhī.

I truly appreciate you making the time to stop by without prior notice.

我非常感谢你帮我找到了这个。

Wǒ fēicháng gǎnxiè nǐ bāng wǒ zhǎodào le zhège.

I really appreciate your help finding this.

真的非常感谢您在百忙之中抽空帮我弄懂这个复杂的系统。

Zhēn de fēicháng gǎnxiè nín zài bǎi máng zhī zhōng chōukòng bāng wǒ nòng dǒng zhège fùzá de xìtǒng.

I really appreciate you taking the time out of your busy schedule to help me figure this complex system out.