wèi le / bào dá / zhī yù zhī ēn / tā / jué xīn / wèi / lǎo bǎn / xiào quǎn mǎ zhī láo

为了报答知遇之恩，他决心为老板效犬马之劳。

To repay the kindness of having been appreciated, he resolved to be at his boss's beck and call.