n.消弱；削價(jià)；凹割；掏槽；截槽
動(dòng)詞undercut的現(xiàn)在分詞.
By repeatedly undercutting his price, his competitions soon had him on the ropes. 競(jìng)爭(zhēng)者們一再削價(jià)與他搶生意，很快就逼得他走投無(wú)路了。
