head-on /ˈhɛdˈɔn, ˈɑn/
(a.)正面的
head-on
adj 1: characterized by direct opposition; "a head-on
confrontation"
2: meeting front to front; "a frontal attack"; "a head-on
collision" [syn: frontal]
adv 1: in direct opposition; directly; "we must meet the problem
head-on"
2: with the front foremost; "the cars collided head-on"