an adornment that hangs from a watch chainshort chain or ribbon attaching a pocket watch to a man's vest
同义词：watch chainwatch guard
v.deceive somebody
同义词：flim-flamtrickfoxpull a fast one onplay a trick on
英汉双解大词典
fob/fɒb/(fobbing,fobbed,fobs)
1.
N-COUNT（可数名词）
A fob is a short chain that has a key or a watch attached to the end. The fob can also refer to the watch that is attached to the chain. 带短链的钥匙; 怀表
2.
N（名词）
a metal or plastic tab on a key ring 钥匙圈上的金属或塑料环