verb + soundly
soundly常与表示睡眠的动词连用，强调睡得深。
The baby slept soundly through the night.
宝宝整夜睡得很沉。
彻底地；完好地
彻底地；无缺陷地,完满地。；完全地；健全地；坚牢地
In a thorough manner; free from defect or deficiency.
彻底地；无缺陷地,完满地。
In a thorough manner; in manner free of defect or deficiency.
The team was soundly defeated in the final match.
那支队伍在决赛中被彻底击败了。
用法提示：副词作状语，修饰动词“ defeated”，表示“彻底地”。
The bridge was soundly constructed and lasted for decades.
这座桥建造得非常牢固，持续使用了数十年。
用法提示：副词作状语，修饰动词“ constructed”，表示“完好地、牢固地”。
She soundly explained her reasons for changing the plan.
她充分地解释了自己改变计划的理由。
用法提示：副词作状语，修饰动词“ explained”，表示“充分地、透彻地”。
soundly常与表示睡眠的动词连用，强调睡得深。
The baby slept soundly through the night.
宝宝整夜睡得很沉。
用于失败、击败等语境，表示完全地。
The team was soundly defeated in the final match.
该队在决赛中被彻底击败。
用于被动结构，表示状态稳固可靠。
The principles are soundly established in the contract.
这些原则在合同中被牢固地确立。
侧重动作细致、无遗漏；‘soundly defeated’可换成‘thoroughly defeated’，语气中性。
强调程度达到百分之百，不强调细节；‘completely defeated’可与‘soundly defeated’互换，但‘soundly built’不能换。
侧重结构稳固或论证可靠；‘solidly built/researched’可与‘soundly built/researched’互换，不能用于表示‘彻底打败’。
强调符合规范、不出错；‘properly trained’可替换‘soundly trained’，但更口语化，正式场合用 soundly 更佳。
grammar · medium
易错句子I slept sound last night.
正确表达I slept soundly last night.
Sound是形容词，不能修饰动词slept；soundly是副词，可以修饰动词表示“酣畅地”。
grammar · medium
易错句子He gave a soundly argument.
正确表达He gave a sound argument.
Soundly是副词，不能修饰名词argument；应使用形容词sound来修饰名词。
soundly 此处义为“完全地、彻底地”；partially 指仅涉及一部分，语义相反，不可互换。
soundly 指没有缺陷或遗漏地完成；incompletely 指留有缺失，语义相反。
soundly 指彻底深入；superficially 指只触及表面，与“彻底”相对。
soundly 强调彻底且有益（如睡得香、赢得很全面），而 deeply 强调深度（如情感、睡眠的深度），不可用于表示‘彻底击败’等。
soundly 常用于‘打败’或‘睡觉’等固定搭配，带有‘彻底且令人满意’的语感；completely 则更中性，适用范围更广。
睡得很香；酣睡
After the long hike, I slept soundly.
长途跋涉之后，我睡得很香。
被彻底击败
The home team was soundly defeated in the final.
主队在决赛中被彻底击败。
基础扎实；有充分根据
Her argument is soundly based on decades of research.
她的论点以数十年的研究为基础，非常扎实。
牢固确立；根深蒂固
The tradition is soundly established in the community.
这一传统在社区中根深蒂固。
建造得坚固
The old bridge is still soundly built.
这座旧桥依然建造得很坚固。
推理严密的
The report is a soundly reasoned analysis of the crisis.
这份报告对危机进行了推理严密的分析。
与 soundly 构成常见搭配 sleep soundly，表示睡得深沉安稳。
与 soundly 构成常见搭配 defeat someone soundly，表示彻底击败。
soundly 可修饰建立在牢固基础上的事物，如 a soundly based theory。
soundly reasoned 表示推理严密，体现 soundly 的“充分、可靠”含义。
soundly managed 表示管理得当，反映 soundly 表“彻底、可靠”的用法。
酣睡；睡得很沉
After the long flight, I finally slept soundly in my own bed.
长途飞行后，我终于在自己的床上睡得很沉。
被彻底打败；完败
The home team was soundly defeated in the championship match.
主队在冠军赛中被彻底击败。
推理严密的；论证充分的
Her proposal was soundly reasoned and convinced the committee.
她的提议推理严密，说服了委员会。
我们之所以能安睡，是因为有粗犷之人整夜待命，准备对那些想伤害我们的人施以暴力。
In this widely quoted line, often misattributed to George Orwell, soundly means 'deeply and without disturbance'.
在这句常被误归于乔治·奥威尔的广为引用的话中，该词意为“深深地、不受打扰地”。
Dictionary facts from ECDICT, WIKTIONARY.