en quatrième vitesse
French
Etymology
Literally,
“
in fourth gear
”
.
Pronunciation
IPA
(key)
:
/ɑ̃ ka.tʁi.jɛm vi.tɛs/
Adverb
en
quatrième
vitesse
(
informal
)
at full tilt
,
full throttle
,
full bore
Synonym:
rapidement