效劳

gān yuàn xiào láo

甘愿效劳

be willing to offer one's service

lè yì xiào láo

乐意效劳

with pleasure

suí shí wèi nín xiào láo

随时为您效劳。

I'm at your service all the time.

wèi guó xiào láo

为国效劳

serve one's country

zhū wèi xiān sheng yǒu shén me wǒ kě yǐ xiào láo de ma

诸位先生，有什么我可以效劳的吗？

Can I help you, gentlemen?

tā yǒu yī bāng zi gào mì zhě wèi tā xiào láo

他有一帮子告密者为他效劳。

He has a whole stable of informers working for him.