chéng > shǒu shī liǎng duān
mùlù
shǒu shī liǎng duān First applied at both ends
pīnyīn: shǒu shī liǎng duān

jièshì: jiàn shǒu shǔ liǎng duān

No. 2
  zài liǎng zhě zhī jiān yóu jué yòu dòng yáo dìngtóngshǒu shǔ liǎng duān”。