use a hyphen between X and Y
Use a hyphen between the two parts of the compound.
在复合词的两个部分之间使用连字符。
连字符
hyphens — plural of hyphen
连接物；纽带；（用连字符身份称呼的）边缘群体成员；连字符:符号“‐”,通常用于连接两个或多个单词构成复合词,或表示单词在行末被拆分。；连字符(-),用于复合词各部分之间或单词在行末断词时音节之间；连字符:连接两个比它本身更重要事物的东西。
The symbol (-) used to join words or syllables, as in compound words or at a line break.
连字符:符号“‐”,通常用于连接两个或多个单词构成复合词,或表示单词在行末被拆分。
The symbol "‐", typically used to join two or more words to form a compound term, or to indicate that a word has been split at the end of a line.
连字符(-),用于复合词各部分之间或单词在行末断词时音节之间
a punctuation mark (-) used between parts of a compound word or between the syllables of a word when the word is divided at the end of a line of text
连字符:连接两个比它本身更重要事物的东西。
Something which links two things of greater significance than itself.
Someone who belongs to a marginalized subgroup, and can therefore described by a hyphenated term, such as "German-American", "female-academic", etc.
Please put a hyphen between 'well' and 'known' when you write 'well-known'.
请在写 well-known 时，在 well 和 known 之间加上连字符。
用法提示：这里的 hyphen 是名词，指用来连接复合词各部分的连字符。
If a word is too long for the line, you can split it with a hyphen at the syllable break.
如果单词在一行中太长，你可以在音节分界处用连字符把它分开。
用法提示：hyphen 作名词，指行末拆分单词时使用的连字符。
The editor removed the hyphen from the compound noun because the two words are now commonly written as one.
编辑移除了这个复合名词中的连字符，因为这两个词现在通常连写成一个词。
用法提示：hyphen 作名词，表示复合词中起连接作用的连字符。
Use a hyphen between the two parts of the compound.
在复合词的两个部分之间使用连字符。
The number “twenty-three” is written with a hyphen.
数字 twenty-three 在书写时带有连字符。
Hyphens in a compound help show which words belong together.
复合词中的连字符有助于表明哪些词属于一个整体。
grammar · medium
易错句子There are two hyphen in this compound word.
正确表达There are two hyphens in this compound word.
hyphen 是可数名词,前面有 two 时要用复数 hyphens。汉语名词没有数的变化,学习者容易漏掉 -s。
grammar · medium
易错句子I used a hyphen to show the range from 5 to 10.
正确表达I used a dash to show the range from 5 to 10.
表示数字区间时应用 dash(尤其 en dash),而 hyphen 只用于连接复合词或表示断词。汉语常把两者都译成“连字符/短横”,因此容易混淆。
grammar · medium
易错句子Please write the word with hyphen.
正确表达Please write the word with a hyphen.
hyphen 是可数名词,单数形式前需要加冠词 a。汉语没有冠词,学习者容易漏掉,“with a hyphen”才表示“用连字符”。
破折号“—”比连字符“-”长，用于插入语、转折或停顿；连字符用于连接复合词或行末断词。
减号“−”是数学运算符，长度与位置和连字符不同；连字符是英文标点，不表示减法。
使用连字符
Use a hyphen when you combine two words into a compound adjective.
把两个单词组合成复合形容词时使用连字符。
插入连字符
If the line ends with a long word, insert a hyphen to split it.
如果一行末尾有个长单词，插入连字符将其拆分。
连字符位于……之间
There should be a hyphen between the two parts of the compound noun.
复合名词的两个部分之间应有连字符。
悬置连字符
The suspended hyphen saves space in lists like pre- and post-war periods.
在诸如“pre- and post-war”这类列表中，悬置连字符可以节省空间。
连字符键
Press the hyphen key on your keyboard to type the minus sign.
按下键盘上的连字符键来输入减号。
同样是一种横线标点,但比连字符长,用法不同。
连字符属于标点符号的一种。
连字符常用于连接复合词的各部分。
行末断词时,连字符用于分隔音节。
连字符在键盘上有对应的按键。
Dictionary facts from ECDICT, WIKTIONARY.