armed to the teeth全副武装，武装到牙齿
escape by the skin of one's teeth死里逃生；劫后余生
get one's teeth into埋头做；认真做
in the teeth of不顾一切；冒着；面对着
long in the tooth年纪大
set sb.'s teeth on edge（酸味、噪音等）使人有不快之感，感到刺耳
show one's teeth威胁；恫吓；张牙舞爪
tooth and nail猛烈；激烈；凶狠They fought tooth and nail.他们激烈地打了起来。