dà / jiā / dōu / zhī / dào / tā / shì / ge / mǎ / pì / jīng / zhuān / mén / tǎo / hǎo / lǎo / bǎn

大家都知道他是个马屁精，专门讨好老板。

Everyone knows he is a sycophant who only tries to please the boss.