劳驾

láo jià kě yǐ tì wǒ xiě fēng xìn ma

劳驾，可以替我写封信吗？

Would you be so kind as to write a letter for me?

láo jià ràng wǒ guò yī xià

劳驾，让我过一下。

Excuse me, please let me pass.

láo jià bǎ nà běn shū dì gěi wǒ

劳驾，把那本书递给我。

May I trouble you to pass that book, please?

láo jià qǐng nín bǎ shōu yīn jī guān diào hǎo bù hǎo

劳驾，请您把收音机关掉好不好？

Would you have the goodness to turn off the radio?