temperamental

• 形容人或事物情绪、行为变化无常，难以预测；也指机器、设备等性能不稳定、不可靠。

Describes a person or thing that is prone to unpredictable changes of mood or behavior, or that is unreliable in performance.

1. Relating to temperamentB2formal

   Relating to or caused by a person's natural character or disposition.

   气质的

   • Her temperamental nature makes her prone to sudden changes in mood.
   • The artist's temperamental approach to work is influenced by his personality.
   • Temperamental differences between siblings can lead to conflicts.

   同义词constitutionalinborninnateintrinsicnatural

2. Moody or unpredictableB2informal

   Subject to sharply varying moods; easily upset or irritated.

   喜怒无常或难以捉摸

   • He is quite temperamental and can become angry without warning.
   • The actress is known for being temperamental on set.
   • A temperamental boss can make the workplace stressful.

   同义词capriciouschangeableerraticfickleirritablemercurialmoodytouchyunstablevolatile

   反义词calmcomposedequableeven-temperedimperturbablelevel-headedplacidserenestablesteady

3. Unreliable performanceB2informal

   Likely to perform unpredictably or malfunction, especially in machines or systems.

   性能不稳定

   • My old car is temperamental and often fails to start in cold weather.
   • The computer is temperamental and crashes frequently.
   • The heating system is temperamental, sometimes working and sometimes not.

   同义词capriciouserraticficklefinickyunpredictableunreliableunstablevolatile

   反义词dependablereliablestable