Crochet
Il a trente ans, et cependant il vit aux crochets de sa mère = He is thirty years old, and yet his mother has to keep him.
Croire
Il s’en croit beaucoup = He thinks a great deal of himself.
C’est à n’y pas croire = It is not to be believed; It is so extraordinary (incredible, preposterous) that we can hardly believe it.
A l’en croire il a eu tous les prix = If he is to be believed he won all the prizes.
“Et chacun croit fort aisément
Ce qu’il craint et ce qu’il désire.”
= The wish is father to the thought.
[La Fontaine, Fables, i. 6. Le loup et le renard.
Compare 2 Henry IV., iv. 5.
“Fere libenter homines id quod volunt credunt.”—Cæsar, iii. 18.]