Cette comparaison est tirée par les cheveux = That comparison is somewhat far-fetched.

On ne peut prendre aux cheveux un homme rasé = One cannot get blood from a stone. (See Huile.)

En cheveux (of a woman) = Bareheaded.

[Of a man: tête nue.]

Les cheveux en brosse = Hair cut short (standing up like the bristles of a brush).

Prendre l'occasion aux cheveux = To take time by the forelock. (See Balle.)

Avoir mal aux cheveux (fam.) = To have a head (i.e. a head-ache in the morning after a drinking bout.)