1
plain about sth
She plained about the noise all night.
她整晚都在抱怨噪音。
抱怨；诉苦
plains — third person singular of plain
先理解核心含义，再看它在真实句子里的用法。
抱怨；诉苦
express complaints, discontent, displeasure, or unhappiness
She plained about the noise all night.
她整晚都在抱怨噪音。
表达抱怨、不满、不悦或不幸福
express complaints, discontent, displeasure, or unhappiness
plain
Base
原形
plains
3rd person
第三人称单数
plaining
-ing
现在分词
plained
Past
过去式
plained
Past participle
过去分词
She always plains about the weather.
她总是抱怨天气。
He plained loudly about the service.
他大声抱怨服务不好。
They are plaining about the delay.
他们正在抱怨延误。
规则动词，名词化形式为plaining。
She plains about the cold office every single day.
她每天都抱怨办公室太冷。
The passengers plained about the delay to the ticket clerk.
乘客们向售票员抱怨延误。
Why are you plaining about the food when you chose this restaurant?
你既然选了这家餐厅，为什么还抱怨食物？
She plained about the noise all night.
她整晚都在抱怨噪音。
较正式用法
He plained that his workload was too heavy.
他抱怨说他的工作量太重了。
The tenants plained to the landlord about the broken heater.
租户向房东抱怨暖气坏了。
Not this
He plained the service.
Use this
He plained about the service.
动词plain是不及物动词，不能直接跟宾语；抱怨的对象需要用介词about引入。
Not this
Please plain the instructions.
Use this
Please make the instructions plain.
Plain作动词时意为抱怨，而非简化；表达‘使简化’应使用短语make...plain或动词clarify。
Choose the next layer that will help you use plains with more confidence.
Includes Synonyms & Antonyms
Expand your vocabulary with synonyms and antonyms.
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
抱怨
She plained about the poor service.
她抱怨服务差。
向…诉苦
He plained to his friends about his troubles.
他向朋友诉苦。
显而易见
The solution was plain as day once he explained it.
他解释后，解决方案就显而易见了。
一帆风顺
The project was plain sailing after the initial difficulties were overcome.
克服了最初的困难后，该项目就一帆风顺了。
用简明英语
Could you say that in plain English? I don't understand the technical terms.
你能用简明英语说一下吗？我不懂那些技术术语。
我是普通的简，但我仍然是老板。
From the song 'Plain Jane' by A$AP Ferg (2017).
来自A$AP Ferg 2017年的歌曲《Plain Jane》。
发长 /eɪ/ 音 (如 rain, wait)
Use plains naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
plain 和 plane 同音，想象飞机在平原上空飞行，帮助记忆“平原”之意。
作为名词，表示“平原”时，该词多用于地理描述或历史叙述，语域中性；日常口语中较少单独出现，常见于复合词如“Great Plains”（北美大平原）。
Words ending in 'ain' that rhyme with 'plain' include rain, pain, gain, main, and chain (all pronounced with /eɪn/). However, some 'ain' words like 'captain' are pronounced with /ɪn/ and do not rhyme. Be careful not to mispronounce them.
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WORDNET.