1. 容貌酷似的人;长得一模一样的人
If you say that one person is a ringer or a dead ringer for another, you mean that they look exactly like each other.

2. （教堂的）敲钟人;摇手铃的人
A bell ringer is someone who rings church bells or hand bells as a hobby.

1. (horseshoes) the successful throw of a horseshoe or quoit so as to encircle a stake or peg

2. a contestant entered in a competition under false pretenses

3. a person who is almost identical to another

Synonym: dead ringerclone

4. a person who rings church bells (as for summoning the congregation)

Synonym: tollerbell ringer