腿: leg...
症结: hard lump in the abdomen (in Chinese medicine), crux of an issue, main point in an argument, sticking point, deadlock in negotiations...
精: essence, extract, vitality, energy, semen, sperm, mythical goblin spirit, highly perfected, elite, the pick of sth, proficient (refined ability), extremely (fine), selected rice (archaic)...
时候: time, length of time, moment, period...
