(-cutting： past and past participle -cut) with obj.
1
- offer goods or services at a lower price than (a competitor)低于（对手）价格出售（商品, 服务）：
these industries have been undercut by more efficient foreign producers.
这些工业遇上更有效率的外国厂商的低价销售。
2
- cut or wear away the part below or under (something, especially a cliff)切除, 磨去…（尤指悬崖）的下部。
2.1
- figurative weaken; undermine〈喻〉削弱; 暗中破坏：
the chairman denied his authority was being undercut.
主席否认自己的权威受到削弱。
2.2
- cut away material to leave (a carved design) in relief底切, 掏空。
3
- Tennis strike (a ball) with backspin so that it rises high in the air【网球】下旋削（球）。
1
- a space formed by the removal or absence of material from the lower part of something, such as a cliff, a coal seam, or part of a carving in relief（悬崖、煤矿、凸雕等）底切; 掏空。
1.1
- N. Amer. a notch cut in a tree trunk to guide its fall when felled〈主北美〉反锯口, 逆锯口。
2
- Brit. the underside of a sirloin of beef〈英〉牛里脊; 牛腰部软肉。