1
do sth forthwith
动词后置，强调动作立即执行。
He ordered the troops to advance forthwith.
他命令部队立刻前进。
立刻；立即；马上
先理解核心含义，再看它在真实句子里的用法。
立刻；立即；马上
immediately; without delay
He ordered the troops to advance forthwith.
他命令部队立刻前进。
立即；马上；即刻
without delay or hesitation; with no time intervening
The manager asked to see the report forthwith and canceled the meeting.
经理要求立刻看到报告，并取消了会议。
When the alarm sounded, all staff left the building forthwith.
警报响起时，所有员工立刻离开了大楼。
Please send the updated files forthwith so we can review them today.
请立即发送更新后的文件，以便我们今天审阅。
动词后置，强调动作立即执行。
He ordered the troops to advance forthwith.
他命令部队立刻前进。
被动结构，常用于法律或正式指令。
The payment shall be made forthwith.
款项应立即支付。
句首使用，语气正式。
Forthwith, the company implemented the new policy.
公司随即实施了新政策。
Not this
The forthwith response is necessary.
Use this
The immediate response is necessary.
forthwith 是副词，不能修饰名词。应使用形容词 immediate。
Not this
Forthwith he finished, he left.
Use this
As soon as he finished, he left.
forthwith 是副词，不能引导从句。应使用连词 as soon as。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
立即生效
The new policy is effective forthwith.
新政策立即生效。
立即遵守
All staff must forthwith comply with the updated rules.
所有员工必须立即遵守更新后的规定。
立即停止
The company ordered that the unauthorized use of the logo cease forthwith.
公司下令立即停止未经授权使用该标识。
立即交付
Please deliver forthwith the signed contract to the office.
请立即将签署的合同送到办公室。
立即支付
The court ordered him to forthwith pay the fine.
法院命令他立即支付罚款。
我的这副身躯立刻被一阵凄楚的剧痛所扭绞。
From Samuel Taylor Coleridge's poem The Rime of the Ancient Mariner; the mariner's torment begins immediately after his rash deed. Here 'forthwith' means 'at once, without delay.'
出自塞缪尔·泰勒·柯勒律治的诗《古舟子咏》；老水手在鲁莽行事之后，折磨立刻降临。此处 forthwith 意为“立刻、毫不耽搁”。
他立刻从池中挺立起他那巨大的身躯；
From John Milton's epic poem Paradise Lost; this line describes Satan rising from the burning lake after his fall from Heaven. 'Forthwith' stresses the suddenness of the movement.
出自约翰·弥尔顿的长诗《失乐园》；这一行描写撒旦从天庭堕落后从燃烧的湖中起身，forthwith 强调动作的突然性。
Use forthwith naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 forth（向前）和 with（带着）拼在一起联想：带着劲儿立刻向前行动——毫不拖延。
语域：formal 常见场景：法律文书、正式公函 forthwith 多用于正式或法律语境，表示“立即、即刻”；日常口语中很少见，正式场合外可考虑用 immediately 等更常见的词。
forthwith 的重音在 -with 上，因此 with、pith、myth、smith 与它押韵（/wɪθ/、/pɪθ/、/mɪθ/、/smɪθ/）。注意：forth 只是拼写的前半部分，读 /fɔːθ/，不押韵；width 读 /wɪdθ/，多一个 /d/，也不完全押韵。
Dictionary facts from ECDICT, WIKTIONARY.