shackles
n. [法] 手铐，[法] 脚镣；塞古
例句
He unbolted the shackles on Billy's hands.
他打开比利的手铐。
《柯林斯英汉双解大词典》
The list may become some intangible shackles for them if their own school ranks poorly.
如果他们自己的学校排名不佳，这个名单可能会给他们带来无形的束缚。
A 4.75 inch diameter heavy wireline connected to a 5 inch studless chain using heavy shackles and link plates.
一根直径为4.75英寸的重型电缆，使用重型卸扣和链节板连接至5英寸无钉链。
