Aller à la queue leu-leu = To go in Indian file.
[Leu was the old French form of loup, so the phrase means to walk as wolves do, one after the other.]
Tenir la queue de la poêle = To be the leading spirit in an affair.
Qui
Pour qui connaît = To any one who knows.
Ils s’échappèrent qui par la porte, qui par les fenêtres = Some escaped through the door, others through the windows.
*Qui s’excuse s’accuse = A guilty conscience needs no accuser.
C’est à qui le fera = They all wish to do it; They vie with one another to do it. (See [Mieux].)
Quia
Être réduit à quia = To be reduced to “because....”; To be nonplussed.