1
rationalise sth
英式拼写，美式拼写为 rationalize；此义指通过重组或改进提高效率。
The government promised to rationalise the health system.
政府承诺对医疗体系进行合理化改革。
使合理化；对…进行合理化改革
rationalising — present participle of rationalise
先理解核心含义，再看它在真实句子里的用法。
使合理化；对…进行合理化改革
to organize or run a system in a rational, efficient way
The government promised to rationalise the health system.
政府承诺对医疗体系进行合理化改革。
<主英>=rationalize
v structure and run according to rational or scientific principles in order to achieve desired results；v defend, explain, clear away, or make excuses for by reasoning；v think rationally; employ logic or reason；v remove irrational quantities from；v weed out unwanted or unnecessary things
rationalise
Base
原形
rationalises
3rd person
第三人称单数
rationalising
-ing
现在分词
rationalised
Past
过去式
rationalised
Past participle
过去分词
She rationalises her mistakes by blaming others.
她通过责怪别人来为自己的错误辩解。
He rationalised the factory to cut costs.
他对工厂进行了合理化改革以降低成本。
They have rationalised the process to save time.
他们已将流程合理化以节省时间。
英式拼写，亦作 rationalize。规则动词，按 -ise 的普通变化规则变形。
The school plans to rationalise its curriculum by combining similar courses.
学校计划合并相近课程，对课程设置进行合理化调整。
Last year the hospital rationalised its appointment system to reduce waiting times.
去年，这家医院对预约系统进行了合理化改进，以减少候诊时间。
They have rationalised their product range and removed several unpopular items.
他们已经对产品系列进行了合理化精简，并下架了几款不受欢迎的商品。
英式拼写，美式拼写为 rationalize；此义指通过重组或改进提高效率。
The government promised to rationalise the health system.
政府承诺对医疗体系进行合理化改革。
常用于表示用冠冕堂皇的理由为行为辩解。
She rationalised her anger as a natural reaction to stress.
她把自己的愤怒辩解为对压力的自然反应。
后接动名词，指为某种行为寻找借口。
He rationalised skipping the meeting by claiming he had a deadline.
他为自己没参加会议辩解，说自己有截止日期要赶。
Not this
He tried to rationalise about his mistake.
Use this
He tried to rationalise his mistake.
rationalise 在这里是及物动词，表示“为…辩解/找借口”，后面直接跟宾语，不需要加介词 about。中式英语容易受 think about 的影响而多加 about。
Not this
She is a very rationalised person.
Use this
She is a very rational person.
rationalised 是动词 rationalise 的过去分词，不能当作形容词表示“理性的”；描述人或事物具有理性、理智时，应该用形容词 rational。
Not this
The company rationalised down its production lines.
Use this
The company rationalised its production lines.
rationalise 本身已包含“精简、削减、使合理化”的意思，后面直接跟宾语，不要加 down；这是受汉语“削减下来”影响而出现的多余副词。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
精简员工队伍
The company rationalised the workforce to avoid bankruptcy.
公司精简了员工队伍以避免破产。
使生产合理化
The goal is to rationalise production without reducing quality.
目标是在不降低质量的前提下使生产合理化。
合理降低成本
We need to rationalise costs while maintaining service quality.
我们需要在保持服务质量的同时合理降低成本。
为自己的行为开脱；为行为找借口
She rationalised her behaviour by claiming it was for the team.
她辩称自己是为了团队，以此为自己的行为开脱。
把…搪塞过去；为…开脱
You cannot rationalise away the harm this decision will cause.
你无法为这个决定将造成的伤害开脱。
通过合理化的解释消除（担忧、内疚等）；为…找借口开脱
He tried to rationalise away his guilt by focusing on the boss's unfairness.
他试图把注意力放在老板的不公上，以此来消除内疚。
Use rationalising naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记忆联想：rational（理性的）+ ise，像给行为贴上“理性”标签——使合理化，或为过错辩解。
语域：mixed 常见场景：company reports、psychology discussions、argumentative writing 该词为英式拼写，语域偏正式，多用于书面或正式讨论。具体含义随语境变化：表示“整顿、精简”时常见于企业管理类语境；表示“为…找借口”时多用于心理或行为分析；表示“理性思考”时多用于论述性写作。日常口语中若要表达“找借口”，用 make excuses 更常见。
与 rationalise 真正押韵（重读元音及之后相同）的有 nationalise /ˈnæʃənəlaɪz/。finalise、realise、organise 虽也以 -ise 结尾并读 /aɪz/，但重读元音与之不同，不押韵。注意形近词 rational /ˈræʃənəl/ 和 rationale /ˌræʃəˈnɑːl/ 发音差异很大，不要混淆。
Dictionary facts from ECDICT, WIKTIONARY.