the fat is in the fire

trouble has been caused and is beginning

惹上麻煩

kill the fatted calf

produce one's best food to celebrate, especially at a prodigal's return

（尤指因浪子回頭而）設(shè)盛宴慶祝

live off (或 on) the fat of the land

have the best of everything

過錦衣玉食的生活，養(yǎng)尊處優(yōu)

a fat lot&I{【俚語】}

Very little or none at all

很少，根本沒有

a fat lot of good it will do him.

對他一點(diǎn)好處也沒有

fat chance&I{【俚語】}

Very little or no chance.

很少或沒有機(jī)會