What does "key up" mean?

To make nervous or excited To be tense with anticipation.

How do you use "key up" in a sentence?

She was all keyed up before the exam. The players were keyed up. Don't get too keyed up.

Phrasal Verb BritishAmericanAustralian ★★★☆☆ Moderate Casual

Meaning: To make nervous or excited

使紧张或兴奋

Poner nervioso o emocionado

緊張させる、興奮させる

긴장시키다, 흥분시키다

To be tense with anticipation.

因期待而紧张。

Estar tenso por la anticipación.

期待や不安で緊張した状態になること。

기대감으로 긴장된 상태가 되다.

Base verb: key

Particle: up

Separable: Yes — the object can go between the verb and particle

She was all keyed up before the exam.
考试前她非常紧张
Estaba muy nerviosa antes del examen
彼女は試験前でとても緊張していた
그녀는 시험 전에 몹시 긴장해 있었다.
The players were keyed up.
球员们都很亢奋
Los jugadores estaban muy tensos
選手たちは興奮していた
선수들은 흥분해 있었다.
Don't get too keyed up.
别太紧张
No te pongas demasiado nervioso
あまり緊張しすぎないで
너무 긴장하지 마.

Context: nervousness, excitement

Tone: tense

From winding up a key mechanism.

Era: Modern

Generation: All ages

Social background: Universal