1
a sharp
作为名词使用时，sharp 是可数名词，复数形式为 sharps。
A sharp raises the pitch of a note by a half step.
半升号将音符的音高提高半音。
升号
先理解核心含义，再看它在真实句子里的用法。
升号
The symbol ♯, used in music to show that a note is to be played a semitone higher.
A sharp raises the pitch of a note by a half step.
半升号将音符的音高提高半音。
符号⟨♯⟩,置于调号中音符名称之后或谱表上音符之前,表示该音符需升高一个半音。
The symbol ⟨♯⟩, placed after the name of a note in the key signature or before a note on the staff to indicate that the note is to be played one chromatic semitone higher.
升音符号
a musical notation indicating one half step higher than the note named
比通常高一个半音演奏的音符；用音符名称后跟符号⟨♯⟩表示。
A note that is played one chromatic semitone higher than usual; denoted by the name of the note that is followed by the symbol ⟨♯⟩.
尖头缝针
a long thin sewing needle with a sharp point
The key signature of this piece includes three sharps.
这首曲子的调号包含三个升号。
You need to play an F sharp in the next bar.
你需要在下一小节弹奏一个升F。
The accidental in the score is a sharp, not a flat.
乐谱中的临时记号是升号，不是降号。
作为名词使用时，sharp 是可数名词，复数形式为 sharps。
A sharp raises the pitch of a note by a half step.
半升号将音符的音高提高半音。
The sharp is written before the note.
半升号写在音符前面。
The key of A major has three sharps.
A大调有三个升号。
Not this
The scale has two sharp.
Use this
The scale has two sharps.
“sharp”作为名词表示升号，是可数名词，复数形式为“sharps”。因此当数量大于一时，必须加-s。
Not this
The music has too much sharp.
Use this
The music has too many sharps.
“sharp”作为名词是可数名词，不能用作不可数名词。修饰可数名词的复数应用“many”，而非“much”。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
升C音（C♯）
Play a C sharp on the piano.
在钢琴上弹一个升C音。
升号（♯）
Write a sharp sign before the note.
在音符前写一个升号。
升号和降号
The key signature contains three sharps and two flats.
这个调号包含三个升号和两个降号。
重升号
A double sharp raises the note by two semitones.
重升号将音符升高两个半音。
打牌作弊者；老千
The gambler was a notorious card sharp.
那个赌徒是个臭名昭著的老千。
他是个衣着时髦的男人。
This lyric is from ZZ Top's 1983 rock song “Sharp Dressed Man”, which celebrates a stylishly dressed man and became an iconic MTV-era phrase.
这句歌词出自ZZ Top乐队1983年的摇滚歌曲《Sharp Dressed Man》，赞颂衣着时髦的男人，成为MTV时代的标志性用语。
Use sharp naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
♯像一把斜放的梯子，把音符往上抬高一格；记住sharp有“尖”意，尖尖的升号让音升高半音。
语域：neutral 常见场景：music theory、sheet music、music lessons 作名词时，sharp 通常指乐谱中的升号（♯），多用于音乐理论、读谱或乐器教学等场合，属于常用的专业术语，正式或非正式场合都比较自然。
以下采用美式读音：sharp /ʃɑrp/ 与 harp /hɑrp/、carp /kɑrp/、tarp /tɑrp/ 都以 -arp 结尾，押 /-ɑrp/ 韵（英式读 /ɑː/，押韵关系相同）。注意：shark /ʃɑrk/ 与 sharp 前三个音素相同但末音是 /k/；chirp /tʃɜrp/ 拼写以 -rp 结尾但元音为 /ɜ/，不押韵；chart /tʃɑrt/ 的 ar 虽读 /ɑr/，但首尾辅音不同，也不押韵。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.