kāi zú mǎ lì
to accelerate at full power (idiom); at full speed
fig. to work as hard as possible
开
kāi
to open (transitive or intransitive)
足
zú
(bound form) foot; leg
马
mǎ
abbr. for Malaysia 馬來西亞|马来西亚[Ma3 lai2 xi1 ya4]
力
lì
power
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