WordReference English-French Dictionary © 2014:

Principal Translations/Principales traductions
je ne sais quoi adv Frenchje ne sais quoi
  Is something important missing? Report an error or suggest an improvement.

WordReference English-French Dictionary © 2014:

Compound Forms/Formes composées
je ne sais pas quoi te dire I don't know what (else) I can say to you
 I don't know what (else) I can tell you
je-ne-sais-quoi a certain something n
 a certain je ne sais quoi n
je-ne-sais-quoi nm (qch difficilement cernable)je ne sais quoi, touch, hint n
 Il y avait dans son regard un je-ne-sais-quoi de tristesse.
  Is something important missing? Report an error or suggest an improvement.
'je ne sais quoi' found in these entries
English:

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