have a good time 玩得高兴, 过得愉快 
have classes 上课 
have fun with 玩得高兴 
have got to 不得不；必须 
have to 不得不；必须 
hear of 听说, 知道 
hear from 收到……的来信 
help oneself to 请随便吃点 
help sb. with sth.帮助某人做某事 
help...out 帮助某人解决困难 
hold on 等一等（别挂电话） 
hold one's breath不出气,屏住呼吸 
hold out 伸出；坚持, 维持 
hold up 阻挡, 使停顿 
hundreds of 几百, 成百上千 
hurry up 赶快, 快点 
I
in a hurry 匆忙, 很快地 
in all 总之 
in a word 简言之, 总之
in common 共同, 共有 
in debt 欠债 
in danger 处在危险状态 
in fact 事实上, 实际上 
in front of 在……前面 
in need of 需要, 缺少 
in order 按顺序 
in order that 为了 
in order to 为了 
in other words 换句话说 
in peace 安静, 宁静 
in public 当众；公开 
in surprise 吃惊, 惊讶 
in the end 最后, 终于 
in time 及时, 来得及 
instead of 代替, 而不是 
J
join in 参加, 加入 
join up 联合起来, 联结起来 
just now 现在, 刚才 
K
keep back 留下 
keep doing sth. 继续做某事 
keep off 勿踏; 勿踩 
keep on 继续（进行） 
keep one's word 守信 
keep up 保持; 维持; 继续 
knock at 敲 
knock into sb. 撞上 
L
laugh at 嘲笑