激烈争斗的英文：
fight tooth and nail
The two companies fought fiercely over the market.
这两家公司为了市场而展开激烈的争斗。
A rough or vigorous struggle;a scuffle.
扭打，争斗粗鲁的或激烈的争斗;扭打
n. 斗志，战斗力，比赛
v. 与…作斗争，坚决反对，（为…而）斗争，努力争取，参加，努力克制
This is a clean fight.
这是一场公平的较量。
If they start fighting, we fight back, fight to win peace.
人家打来了，我们就打，打是为了争取和平。
The fight resulted in a stalemate.
战斗形成对峙局面。
n. 牙齿，齿状物
v. 给…装齿；啮合
An eye for an eye and a tooth for a tooth
以眼还眼,以牙还牙
The hole in the tooth is cavity.
牙上的洞叫做蛀牙。
contact depth of tooth
接触齿高|总啮合高度
n. 钉子，指甲，趾甲
v. 用钉钉牢，使固定；使集中；揭露
nail down; nail in;hold by
钉住;使人遵守诺言
The nail will not penetrate.
这枚钉子钉不进去。
Will you size these nails?
你把这些钉子按大小分开好吗？