火大

上火 refers to a traditional Chinese medicine concept of 'excess internal heat' in the body, leading to symptoms like sore throat, canker sores, or acne. It's a physical condition, not an emotional one, even though both have '火' (fire) in them. Don't confuse feeling angry (火大) with having 'internal fire' (上火).

火气 can refer to anger or temper, but it often implies a general state of being prone to anger or easily agitated, or the 'fire' that leads to being angry. '他火气很大' means 'He has a bad temper' or 'He gets angry easily'. While related, 火大 describes the intense feeling of being angry right now, while 火气 describes one's general disposition or the internal 'heat' that causes anger.

发火 means 'to get angry' or 'to lose one's temper'. It is similar to 发脾气 and describes the act of expressing anger. While someone who is 火大 might 发火, '火大' is the internal state of fury, and '发火' is the outward manifestation of that anger.

Both 生气 and 火大 mean 'angry', but they differ in intensity.

生气 is a general term for being angry and can describe various levels of anger, from mild displeasure to strong anger. 火大, on the other hand, specifically indicates a very strong, intense anger, often to the point of being furious or enraged. Think of 火大 as 'super angry' or 'mad as hell'.

他只是有点生气，但还没到火大的程度。 (He's just a little angry, but not to the point of being furious.)

Both relate to expressing anger, but 发脾气 focuses on the act of losing one's temper, while 火大 describes the feeling itself.

发脾气 means 'to lose one's temper' or 'to throw a tantrum'. It's about the outward expression of anger. 火大 describes the internal feeling of intense anger. You can be 火大 without 発脾气, and you can 発脾气 without necessarily being extremely 火大 (though usually one leads to the other).

他因为一点小事就发脾气，真是火大。 (He loses his temper over small things, which is truly infuriating.)

Both imply irritation and anger, but with slightly different nuances and intensity.

恼火 generally means 'annoyed' or 'irritated', sometimes leading to anger. It can be a milder form of anger than 火大. 火大 is a more intense and often spontaneous outburst of fury. 恼火 suggests a simmering irritation, while 火大 implies a more explosive feeling.

这件事让我有点恼火，但还没到火大的地步。 (This matter makes me a bit annoyed, but not yet furious.)

Both describe strong anger, but 愤怒 is more formal and often implies a deeper, more righteous anger.

愤怒 is a more formal and serious term for 'fury' or 'indignation'. It often carries a connotation of strong moral disapproval or a reaction to injustice. 火大 is more colloquial, expressing a raw, personal fury or extreme annoyance. While both mean very angry, 愤怒 is used in more formal contexts or when discussing profound anger, whereas 火大 is more for everyday, intense frustration.

他对社会的不公感到愤怒。 (He felt indignation about social injustice.)

Both describe negative emotional states, but 烦躁 is more about agitation and impatience rather than outright anger.

烦躁 means 'fidgety', 'restless', or 'agitated'. It describes a state of irritation and impatience, often due to discomfort or boredom, and isn't necessarily synonymous with anger. While someone who is 烦躁 might eventually become 火大, the terms describe different stages or types of negative feelings. 烦躁 is a prelude to anger, or a state of being unsettled, while 火大 is the actual strong anger itself.

等待太久让他感到烦躁。 (Waiting too long made him feel restless.)