下面小编跟大家一起了解考研英语常考高频词组汇总讲解，希望对大家的学习有所帮助。
1. guard against (=defend, keep safe)警惕,防止 guard…against 警卫…防止
2. guess at 猜, 估计
3. by guess 靠猜
4. be guilty of 犯有…罪或过失
5. be in the habit of 习惯于
6. break off (a habit) 改掉(某种习惯)
7. break sb. of (a habit)使某人改掉(某习惯)
8. get (fall) into the habit of养成了…的习惯
9. come to a halt (=stop) 停止; 停住
10. at hand 在手边, 眼前(附近)
11. by hand 用手工(做)
12. hand in glove(with) 狼狈为奸, 密切合作
13. in hand 1)在手边 2)(=under control)控制住
14. in the hands of 由…掌握, 控制, 负责
15. live from hand to mouth勉强度日,现挣现吃
16. at the head of 在…的前头
17. head for(=move towards)向…方向前进
18. hear of(=know about)听人说起, 听说过
19. at heart(=in reality) 内心里, 实际上
20. in one’s heart (of hearts)内心深处,事实上
21. by heart (=by memory) 熟记, 背(诵)
22. to one’s heart’s content 尽情地
23. with all one’s heart全心全意地,真心实意
24. hinder…form(=stop…from)阻碍,使..不能做

25. be (go) on holiday 在(去)度假
go on holiday = go for a holiday
26. be (feel) at home (=to be comfortable; not feel worried)感觉合适，无拘束，熟悉
27. be honest in诚实
28. in one’s honour (or in honour of)祝贺,纪念
29. on one’s honour 以某人的名誉担保
30. hope for 希望(某事发生),希望有
31. to one’s horror 令某人感到恐惧的是
32. in a hurry (=hastily) 匆忙地
33. be identical with(=exactly alike)和完全相同
34. be identified with 被视为与…等同
35. in ignorance of 不知道…
36. be ignorant of ( = lacking knowledge) 对…不了解,不知道
37.(an) impact(on)对…的强烈影响
38. impose…on 把…强加给
39. impress…on 给…留下印象
40. make (leave) an impression on sb. =give sb. an impression 给…留下印象
41.under the impression that有..的印象,认为
42. improve sth.(make sth. better)把原物改进
improve on(=produce or be sth. better than…) 另做一物比原物更好
43. improve in (=get better)有改进, 好些
44. improvement in 表示原物有改进,好转