thick, deep, dense

(anatomy) stomach

inured (to); experienced

Alternative spelling of bánh giầy

Millettia pinnata (a species of tree in the pea family, native in tropical and temperate Asia)

dense, thick

thick (usually with positive connotation) / seasoned; experienced

shameless

(literally) a mandarin orange with thick skin will be dealt with by sharp fingernails / (figurative) it doesn't matter how smart or cunning you are, there's always someone else better to take you down