冬
练
三
九
,
夏
练
三
伏
d
ō
n
g
l
i
à
n
s
ā
n
j
i
ǔ
,
x
i
à
l
i
à
n
s
ā
n
f
ú
Definitions
1. have training in the coldest days of winter and the hottest days of summer
Components
冬
dōng
–
winter
冬
Dōng
–
surname Dong
练
liàn
–
to practice
三
Sān
–
surname San
九
jiǔ
–
nine
夏
Xià
–
PN:the Xia or Hsia dynasty c. 2000 BC
三伏
sān fú
–
three periods forming the hottest periods of summer, from mid-July to mid-August, namely: 初伏 (mid-July), 中伏 (late July to early August), 末伏 (mid-August)