Business Chinese: 请原谅 (qǐng yuánliàng) Please Pardon Me (Beginner)
Example:
Qǐng yuánliàng, wǒ děi shīpéi yíxià, wǒ de shāngwù hànyǔ gùwèn zhǎo wǒ.
请 原谅， 我 得 失陪 一下, 我 的 商务 汉语 顾问 找 我。
Please pardon me, I have to leave for a while because my teacher is looking for me.