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be companionable
companionable 作表语时，描述某人友善、容易相处的性格。
He is always companionable at social events.
他在社交活动中总是很友善。
友善的；好交际的
先理解核心含义，再看它在真实句子里的用法。
友善的；好交际的
friendly and sociable; pleasant to be with
He is always companionable at social events.
他在社交活动中总是很友善。
具有良好伴侣特质的；友好且善于交际的。
Having the characteristics of a worthy companion; friendly and sociable.
Our new neighbor is very companionable and always invites us for tea.
我们的新邻居非常友善，总是邀请我们去喝茶。
She has a warm, companionable smile that makes everyone feel at ease.
她有着温暖友好的微笑，让每个人都感到自在。
The quiet café is a companionable place to spend an afternoon with friends.
这家安静的咖啡馆是个适合和朋友共度下午的友善去处。
companionable 作表语时，描述某人友善、容易相处的性格。
He is always companionable at social events.
他在社交活动中总是很友善。
companionable 放在名词前作定语，表示“友善的、宜于相伴的”。
She is a companionable colleague.
她是一位友善好相处的同事。
find + 宾语 + companionable 表示主观认为某人友善、容易交往。
I find him very companionable.
我觉得他非常友善好相处。
Not this
She is a companion person.
Use this
She is a companionable person.
companion 是名词“同伴”，不能作定语表示“友善的”；companionable 才是对应形容词，指“友善的、好交际的”，所以应改用 companionable。
Not this
I really enjoy his companionable.
Use this
I really enjoy his companionship.
companionable 是形容词，不能作动词 enjoy 的宾语；表达“陪伴、友谊”需用名词 companionship。把形容词换成名词后，动词和宾语搭配才正确。
Not this
He was companionable by his friend to the station.
Use this
He was accompanied by his friend to the station.
companionable 意为“友善的、好交际的”，不是“被陪伴的”；表示“由某人陪同”要用 accompany 的过去分词 accompanied。此句中把 companionable 改为 accompanied，才能表达“由朋友陪同”。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
融洽的沉默
We sat together in companionable silence.
我们坐在一起，彼此无言却感到融洽。
友善的朋友
He is a companionable friend who always makes time for others.
他是个友善的朋友，总是抽时间陪伴别人。
和蔼可亲的态度
Her companionable manner put everyone at ease.
她和蔼可亲的态度让大家感到自在。
友好的氛围
The café has a companionable atmosphere.
这家咖啡馆有一种友好的氛围。
和睦的关系
They developed a companionable relationship over the years.
多年来他们建立了和睦的关系。
融洽的沉默（彼此相伴而不觉尴尬的安静）
The two old friends walked along the river in companionable silence.
两位老朋友沿着河边走着，彼此相伴，沉默而融洽。
我从未发现有什么伙伴能像孤独这样如此可亲。
This line comes from Henry David Thoreau's Walden, in the chapter 'Solitude', where he reflects on the value of being alone.
这句话出自亨利·戴维·梭罗的《瓦尔登湖》“孤独”一章，他在其中反思独处的价值。
Use companionable naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
同伴companion加上-able，能当同伴的，自然友善好交际。
语域：formal 常见场景：literary writing、formal description 这个词比较正式，多用于文学作品或较为书面的描述，在日常口语中不太常见。
Companion shares the exact stressed syllable /pæn/ with companionable, but the extra /əbəl/ ending means they do not rhyme. Agreeable, personable, and reasonable end in the same letters -able, but their stress is in different positions (agreeable /əˈɡriːəbəl/, personable /ˈpɜːrsənəbəl/, reasonable /ˈriːzənəbəl/), so none of them rhymes with companionable.
Dictionary facts from ECDICT, WIKTIONARY.