1. 划界：peg model 标定模型 | peg out 划界 | peg-leg multiple 短程层间多次波

2. 安扎营帐; 把...摊开在地钉住; 用木桩标出...的边界; 筋疲力尽而倒下：peg down 用木钉钉住 | peg out 安扎营帐; 把...摊开在地钉住; 用木桩标出...的边界; 筋疲力尽而倒下 | peg to hang on 可使...站得住脚的依据

1. 累倒；累得无法继续
    If someone pegs out, they are too exhausted to carry on with what they have been doing.

peg out

    e.g. I nipped round the corner for a quick beer and nearly pegged out on the spot.
           我匆匆转过街角去痛快地喝杯啤酒，差点儿当场累趴下。

2. 死；断气
    If you say that someone pegs out, you mean that they die.

    e.g. I thought the oldest were going to peg out.
           我想最老的那些人快蹬腿了。