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have a runny nose
runny nose 是固定搭配，表示流鼻涕的状态。
I have a runny nose and a headache, so I'm staying in bed.
我流鼻涕，还头疼，所以正卧床休息。
稀的；流质的
先理解核心含义，再看它在真实句子里的用法。
稀的；流质的
having a thin, liquid consistency; not solid
I have a runny nose and a headache, so I'm staying in bed.
我流鼻涕，还头疼，所以正卧床休息。
流动的；易流动的。
Fluid; readily flowing.
易流出的；易滴落的。
Liable to run or drip.
The honey is too runny to spread on toast.
这蜂蜜太稀了，没法抹在吐司上。
I prefer a fried egg with a runny yolk.
我更喜欢蛋黄流心的煎蛋。
Add less water; the soup is already runny enough.
少加点水，汤已经够稀了。
runny nose 是固定搭配，表示流鼻涕的状态。
I have a runny nose and a headache, so I'm staying in bed.
我流鼻涕，还头疼，所以正卧床休息。
runny 作宾语补足语，常用于表示对鸡蛋等食物稠稀程度的偏好。
I like my eggs runny, with the yolk still soft.
我喜欢鸡蛋是溏心的，蛋黄还是软的。
be runny 描述液体或半流质食物过于流动、不够浓稠。
The gravy was too runny, so I simmered it for another ten minutes.
肉汁太稀了，所以我又炖了十分钟。
Not this
I have runny nose.
Use this
I have a runny nose.
中文说“流鼻涕”没有冠词，但英文中 runny nose 是可数名词短语，单数前必须加 a/an；加上 a 后句子才完整。
Not this
The egg yolk is too running.
Use this
The egg yolk is too runny.
描述蛋黄稀、呈流质状态要用形容词 runny；running 是动词 run 的现在分词，表示“跑/流动”，不能用来描述这种质地。
Not this
My nose is very much runny today.
Use this
My nose is very runny today.
very much 通常修饰动词或过去分词，修饰形容词原级时只用 very；中文的“非常”容易让人误加 much。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
流鼻涕
I caught a cold and now have a runny nose.
我感冒了，现在流鼻涕。
流心蛋黄
She prefers her fried eggs with a runny yolk.
她更喜欢煎蛋配流心蛋黄。
稀蜂蜜
Drizzle runny honey over the porridge.
把稀蜂蜜淋在粥上。
稀面糊
Add milk gradually until the batter is runny.
逐渐加入牛奶，直到面糊变稀。
稀稠度；流动的质地
Stir in water until the sauce reaches a runny consistency.
加水搅拌，直到酱汁呈稀糊状。
Use runny naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
runny 像 run（跑）+ ny，液体或鼻涕“跑”出来，所以是稀的、流鼻涕的。
语域：neutral 常见场景：everyday conversation、cooking and food descriptions、health and cold symptoms runny 是中性词，日常英语中很常用。多用于描述质地稀、能流动的食物或液体（如 runny egg 溏心蛋、runny honey 稀蜂蜜），也常见于口语中说 runny nose 流鼻涕。正式或学术写作中通常会用更正式的说法替换。
比较级 runnier，最高级 runniest。
Dictionary facts from ECDICT, WIKTIONARY.