奴颜婢膝 [nú yán bì xī]

• act obsequiously; a hateful flattering appearance; servile; bend one's knees before ...; bow low and sweep the ground with one's cap; bow and scrape like a slave; fawn in every way on ...; grovel in the dust; lick sb.'s boots [feet; shoes; spittle]; make a great show of obedience and courtesy; sedulously fawn upon ...; servile flattery; subservient:

  They bow and scrape like slaves to the foreigners, willing to sell the country for their own selfish ends.

  他们对外奴颜婢膝， 甘心卖国求荣。