shàng rèn
to take office
previous (incumbent)
predecessor
zǒu mǎ shàng rèn
to ride to take up an official appointment (idiom); to take on a job with alacrity
to undertake a task
xīn guān shàng rèn sān bǎ huǒ
the new boss cracks the whip three times
a new broom sweeps clean
fig. vigorous new policies