It is defeat that bone to flint; it is defeat that turns gristle to muscle; it is defeat that makes men invincible. 是挫折使骨头坚如燧石;是挫折使软骨变成肌肉;是挫折使人战无不胜。
gristle
[ noun ] tough elastic tissue; mostly converted to bone in adults <noun.body>
Gristle \Gris"tle\, n. [OE. gristel, gristil, AS. gristl; akin to OFries. gristel, grestel. Perh. a dim. of grist but cf. OHG. krustila, krostela. Cf. {Grist}.] (Anat.) Cartilage. See {Cartilage}. --Bacon.
Competitors ponder such niceties as depth of fat and positioning of gristle in each cut.