learn (something) from the bottom up

Другие идиомы:

• live and learn
• learn by heart
• learn (something) by heart
• learn by rote
• learn to live with (something)
• learn the ropes
• learn (something) the hard way
• lead a dog's life
• leopard can't change its spots
• let sleeping dogs lie
• let the cat out of the bag
• like a bat out of hell
• like a deer caught in the headlights
• like lambs to the slaughter
• lion's share of (something)