stiff shoulders (usu. owing to age);  frozen shoulder
 fifty-three stations on the Tōkaidō (Edo-Kyoto highway in Edo-period Japan)
 at age fifty, one comes to know the will of Heaven
 the Japanese syllabary table
 life is short; (lit.) life is just fifty years
 a bird in the hand is worth two in the bush; (lit.) fifty today is better than a hundred tomorrow