As quickly as possible, with all the speed that one can muster.
जितनी तेजी से संभव हो, जितनी तेज़ी से कोई कर सकता है।
English Usage: She ran to the store as fast as legs can carry one.
Hindi Usage: वह जितनी तेजी से संभव हो सके, दुकान तक दौड़ी।
Transliteration of यथासंभव तेजी से
yathasambhav tezi se, yathasambhav tezī se, yathasambhav taji se, yathasambhav tezi sē, yathasambhav tezî se, yatha sambhav tezi se, yatha sambhav taji se, yathā sambhav tezi se, yathā sambhav tezi sē, yathasambhav aage tezi se