1
under/in the circumstances
固定搭配，表示“考虑到当前情况”。
Under the circumstances, we decided to cancel the trip.
在这种情况下，我们决定取消这次旅行。
情况；条件；因素
先理解核心含义，再看它在真实句子里的用法。
情况；条件；因素
a fact or condition that relates to, or influences, a situation or event
Under the circumstances, we decided to cancel the trip.
在这种情况下，我们决定取消这次旅行。
与某个事实或事件相关或以某种方式影响它的事物
Something which is related to, or in some way affects, a fact or event.
伴随或影响某个事件或活动的条件
a condition that accompanies or influences some event or activity
事件；事实；特定的意外、发生的事或状况(状态)
An event; a fact; a particular incident, occurrence, or condition (status).
围绕某个情况或事件的事实或环境的总和
the set of facts or circumstances that surround a situation or event
Due to unforeseen circumstances, the meeting has been moved to next week.
由于无法预见的情况，会议被推迟到了下周。
She handled the difficult circumstance with great patience.
她以极大的耐心处理了那个困难的情况。
Given the circumstances, we decided not to travel.
考虑到当时的情况，我们决定不去旅行。
固定搭配，表示“考虑到当前情况”。
Under the circumstances, we decided to cancel the trip.
在这种情况下，我们决定取消这次旅行。
形容词可换用其他描述性词语，如 unusual, extreme 等。
She remained calm in difficult circumstances.
她在困难的情况下保持冷静。
常用于正式或新闻语体，后接事件、决定等名词。
The police are investigating the circumstances surrounding the accident.
警方正在调查事故的相关情况。
常见于正式通知，表示无法左右的外部原因。
The flight was delayed due to circumstances beyond our control.
航班因我们无法控制的情况而延误。
Not this
He told me about his financial circumstance.
Use this
He told me about his financial circumstances.
circumstance 表示“财务状况、处境”时为可数名词，且常用复数 circumstances；汉语“情况”没有单复数标记，所以容易漏掉 -s。此处理应使用复数。
Not this
On these circumstances, we have to cancel the trip.
Use this
Under these circumstances, we have to cancel the trip.
英语中“在这种情况下”的介词搭配是 under（或 in）+ circumstances，不能受汉语“在……情况下”的影响而用 on。因此应把 on 改为 under。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
在任何情况下都不
Under no circumstances should you open the door to strangers.
你无论如何都不应该给陌生人开门。
在这种情况下
Under the circumstances, we had no choice but to cancel the trip.
在这种情况下，我们别无选择，只能取消行程。
在某些情况下
In certain circumstances, the rule may be waived.
在某些情况下，这个规则可能被豁免。
考虑到实际情况
Given the circumstances, I think you handled it well.
考虑到实际情况，我觉得你处理得很好。
情况发生变化
We should review the plan if circumstances change.
如果情况发生变化，我们应该重新审视计划。
由于不可控因素
The flight was delayed due to circumstances beyond the airline's control.
由于航空公司无法控制的因素，航班延误了。
无论如何不，决不
Under no circumstances should you open the door to strangers.
你无论如何都不应该给陌生人开门。
在这种情况下
In the circumstances, we had no choice but to cancel the trip.
在这种情况下，我们别无选择，只能取消旅行。
某人无法控制的情况
The flight was delayed due to circumstances beyond our control.
由于我们无法控制的情况，航班延误了。
Use circumstance naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想circum像circle（圆），stance是站，圆内站着的就是你的环境状况。
register: neutral; contexts: 日常会话, 正式写作; note_zh: 通常用于描述影响事件的条件或环境，既可用于日常交流也可用于正式文本。
表示‘情况、环境’时常用复数形式 circumstances。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.