1
sth solidifies
不及物用法，主语为凝固的东西本身。
The lava solidifies as it cools.
熔岩冷却时凝固。
使凝固；使变硬
先理解核心含义，再看它在真实句子里的用法。
使凝固；使变硬
to make something solid or more solid
The lava solidifies as it cools.
熔岩冷却时凝固。
使凝固；使变成固体
To make solid; convert into a solid body.
巩固；加强；强化
To concentrate; consolidate, reinforce.
变固体；凝固
To become solid; to freeze, set.
将开式复合词变为闭式复合词
To transform an open compound into a closed compound (solid compound).
solidify
Base
原形
solidifies
3rd person
第三人称单数
solidifying
-ing
现在分词
solidified
Past
过去式
solidified
Past participle
过去分词
Water solidifies into ice at zero degrees Celsius.
水在零摄氏度时凝固成冰。
The cement solidified overnight.
水泥一夜之间凝固了。
The bond between the two teams has solidified over time.
两队之间的关系随着时间已经巩固了。
solidify 是规则动词，过去式和过去分词均为 solidified。常用于物体凝固，也可引申为巩固关系或团结。
The melted wax began to solidify as it cooled.
熔化的蜡在冷却时开始凝固。
Leave the mixture in the fridge until it solidifies.
把混合物放在冰箱里，直到它凝固。
The cold air helped solidify the hot lava into dark rock.
冷空气帮助炽热的熔岩凝固成黑色的岩石。
不及物用法，主语为凝固的东西本身。
The lava solidifies as it cools.
熔岩冷却时凝固。
及物用法，表示“使……凝固”。
The cold air solidified the water.
冷空气使水凝固。
后接 into，表示凝固后的形态。
The mixture solidified into a hard mass.
混合物凝固成一块硬物。
Not this
The water was solidified in the freezer.
Use this
The water solidified in the freezer.
solidify 表示“自己凝固”时是不及物动词，不要用被动语态；只有强调外力“使……凝固”时才说 be solidified by...。此句主语 water 是自动发生凝固，应使用主动语态。
Not this
The water solidified to ice.
Use this
The water solidified into ice.
当 solidify 后接结果时要用 into（如 solidify into ice），不能用 to；这是固定搭配。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
凝固成；凝结成
The molten rock solidified into hard stone.
熔岩凝固成坚硬的石头。
巩固某人的地位
She solidified her position as the top candidate.
她巩固了自己作为头号候选人的地位。
巩固支持
The new policy helped solidify public support.
这项新政策帮助巩固了公众的支持。
巩固联盟
The treaty was signed to solidify their alliance.
签署这项条约是为了巩固他们的联盟。
巩固控制
The government used censorship to solidify its control.
政府利用审查制度来巩固其控制。
逐渐变成；固化为
His vague plans solidified into a clear strategy after months of discussion.
经过数月的讨论，他模糊的计划逐渐变成了明确的策略。
巩固某人的地位
The company's latest success solidified its position as the market leader.
公司最近的成就巩固了其作为市场领导者的地位。
Use solidify naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想 solid（固体）+ ify（使…化）：使成为固体，即凝固、变硬。
语域：neutral 常见场景：科学/技术类说明、日常叙述液体或材料变硬 该词表示“(使)凝固/变硬”时用法比较中性，日常和书面语中都常见；科学、技术类说明里也很自然，口语中也可以说“变成固体/变硬”。
acidify 和 humidify 与 solidify 押韵（重读元音及之后均为 /ɪdɪfaɪ/）；modify、classify、verify、identify 虽也以 -ify 结尾，但重音位置不同，读音与 solidify 不押韵。
Dictionary facts from ECDICT, WIKTIONARY.