1
be upbeat about something
介词 about 后接事物或话题。
She was upbeat about the company's future.
她对公司的未来持乐观态度。
弱拍
upbeats — plural of upbeat
先理解核心含义，再看它在真实句子里的用法。
弱拍
an unaccented beat in music, especially the last beat of a measure
She was upbeat about the company's future.
她对公司的未来持乐观态度。
音乐术语
音乐短句开头的非重音拍
An unaccented beat at the start of a musical phrase.
In a waltz, the third beat is often the upbeat.
在华尔兹中，第三拍通常是弱拍。
The drummer gave a clear upbeat so the band could start together.
鼓手给出了一个清晰的弱拍，这样乐队才能一起开始。
Practice focusing on the upbeats to feel the rhythm more naturally.
练习时多关注弱拍，能更自然地感受节奏。
介词 about 后接事物或话题。
She was upbeat about the company's future.
她对公司的未来持乐观态度。
形容词作定语，修饰名词。
The speech had an upbeat tone.
演讲带有乐观的基调。
音乐术语，指小节中的弱拍。
The conductor signaled the orchestra to play on the upbeat.
指挥示意管弦乐队在弱拍上演奏。
Not this
He upbeated the team before the game.
Use this
He made the team upbeat before the game.
“upbeat”是形容词或名词，不是动词。表达“使……乐观”需用“make + 宾语 + upbeat”结构。
Not this
She is very upbeat for the exam results.
Use this
She is very upbeat about the exam results.
形容词“upbeat”表示“乐观的”时，后面常接介词“about”引出乐观的对象，而不是“for”。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
在弱拍上
The conductor told the choir to come in on the upbeat.
指挥告诉合唱团在弱拍进入。
以弱拍开始
The melody begins with an upbeat, giving it a lively feel.
这首旋律以弱拍开始，给人一种活泼的感觉。
弱拍和强拍
Learning to distinguish upbeats and downbeats is essential for reading rhythm.
学会区分弱拍和强拍对于读节奏至关重要。
在弱拍上拍手
The drummer taught us to clap on the upbeat.
鼓手教我们在弱拍上拍手。
Use upbeats naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象指挥家手势向上（up）挥起的那一拍，轻而弱，就是弱拍 upbeat。
语域：neutral 常见场景：music theory、music analysis 该名词义项通常用于音乐理论或乐谱分析等场景，指音乐短句开头的非重音拍（弱拍）。在音乐语境中属于标准术语，语气中性，没有明显的正式或非正式色彩。
These words all end in the /iːt/ sound, matching the final '-beat' of 'upbeat'. The stress of 'upbeat' is on the first syllable, so they only share the unstressed ending, not a full rhyme. Be careful with lookalikes that start with 'up' but have different sounds, such as 'uptake' /ˈʌpteɪk/ and 'update' /ˈʌpdeɪt/.
Dictionary facts from ECDICT, WIKTIONARY.