1 sentence for 勤 (qín — solicitous)

1. 他为了讨好上司，天天在办公室里献勤抢着干活。

   tā wèi​le tǎo​hǎo shàng​si, tiān​tiān zài bàn​gōng​shì lǐ xiàn qín qiǎng zhe gàn​huó.

   To please his boss, he tries to be helpful and eager to work in the office every day.

   Source: Dong Chinese Dictionary