ba chân bốn cẳng

== Vietnamese == === Etymology === ba (“three”) +‎ chân (“leg”) +‎ bốn (“four”) +‎ cẳng (“foot”). === Pronunciation === (Hà Nội) IPA(key): [ʔɓaː˧˧ t͡ɕən˧˧ ʔɓon˧˦ kaŋ˧˩] (Huế) IPA(key): [ʔɓaː˧˧ t͡ɕəŋ˧˧ ʔɓoŋ˦˧˥ kaŋ˧˨] (Saigon) IPA(key): [ʔɓaː˧˧ cəŋ˧˧ ʔɓoŋ˦˥ kaŋ˨˩˦] === Adverb === ba chân bốn cẳng • (𠀧𧽍𦊚𨃈) (figurative) at full tilt; at maximum speed; in a flash; on the double; like a bat out of hell