The factory needs a semi to drive the goods away. 工厂需要一辆半挂车把货物拖走。 He found Isabel's room in semi-darkness. 他觉得伊莎贝尔的房间光线有些昏暗。 ...semi-skilled workers. 半熟练工人
half n.一半;下半场;半学年 adj.一半的;不完全的 adv.一半地;不完全地 用作名词 (n.) Half of them are here. 半数人来了。 At best we can do only half as much as last year. 我们至多只能做到去年的一半。 The game didn't heat up until the second half. 游戏玩到后半场才热闹起来。 The team recovered its lead in the second half. 该队在下半场重新领先。 I have to spend half in studying the experiment in campus lab. 我不得不利用半学年在学校实验室研究这个实验。 用作形容词 (adj.) Half the car was damaged. 车子毁了一半。 Mr Brown holds a half share in the business. 布朗先生拥有企业一半的股份。 A half truth is often no better than a lie. 半真半假的话常常跟谎言一样糟。 用作副词 (adv.) The girl left her homework half done. 这女孩只做完了一半作业。 These potatoes are only half cooked. 这些土豆煮得半生不熟。
复合词的例子比如: Harry Potter and the Half-blood Prince. 哈利波特和混血王子