1. 用木钉钉住：peewit 田凫 | peg down 用木钉钉住 | peg 钉

verb

1. define clearly

    e.g. I cannot narrow down the rules for this game

    Synonym: pin downnail downnarrow downnarrowspecify

2. fasten or secure with a wooden pin

    e.g. peg a tent

    Synonym: peg