head /hed/ I. n. ［c］ 1.头，首：Hit him on the head. 打他的头。My head aches.我头痛。2.首脑，首长：the head of a delegation 代表团团长 3. 头脑，才智(只用sing.)：Use your head. 动脑筋。keep one’s head 保持镇静：Keep your head and you’ll win. 保持镇静，你就会赢。 above/over one’s head对某人来说太难：I tried to take in what he was saying about nuclear fusion, but most of it went over my head. 我努力想搞懂他说的核子融合，但大多数对我来说太难了。 head over heels倒栽葱；热恋：She tripped on the curb, and went head over heels into the bushes.她在路边绊倒了，一头栽进了灌木丛里了。It’s obvious that they’re head over heels in love with each other. 很明显他们正在热恋之中。lose one’s head突然生气(见lose条)；put one’s heads together协力同心（见put条）4.头部，顶部，源头：the head of a mountain 山头；at the head of a page 书眉上；the head of a stream 河源 ‖II.vi.&vt.1.前进：head south 向南行进；head straight (for) home 直向家走去 2. 主管，率领，领导；居…之首: a delegation headed by the Premier 以总理为首的代表团 His name heads the list.他名列前茅。3.用于短语（动词） head on adj.& adv. 迎头碰上（的）：a head-on collision顶头碰撞 The two vehicles hit each other head on.两辆车迎头碰上了。head for (使)朝…行进： They were headed/ were heading for Turkey. 他们在去土耳其的路上。
headache /ˈhedeik/ n.［c］头痛：I have a bad headache.我头痛得厉害。He has headaches after reading. 读过书后他就头痛。
