verb🔗Share变硬，硬化。 To become hard (tough, resistant to pressure)."The clay hardened in the sun. "泥土在阳光下晒硬了。materialconditionChat with AIVocabulary GamePractice Reading
verb🔗Share变硬，硬化. To make something hard or harder (tough, resistant to pressure)."The potter hardened the clay by firing it in a kiln. "陶工通过在窑里烧制来使黏土硬化。materialtechnicalChat with AIVocabulary GamePractice Reading
verb🔗Share变硬，加强。 To strengthen."The repeated weightlifting sessions hardened his muscles. "重复的举重训练使他的肌肉变得更强壮了。abilitycharacteractionChat with AIVocabulary GamePractice Reading
verb🔗Share加强安全，强化防护 To modify (a website or other system) to make it resistant to malicious attacks."The school website was hardened to prevent hackers from stealing student data. "学校网站已加强安全，强化防护，以防止黑客窃取学生数据。computinginternettechnicalChat with AIVocabulary GamePractice Reading
verb🔗Share变得冷酷，使…麻木。 To become or make (a person or thing) resistant or less sensitive."The cold winters hardened the farmer's hands over time. "寒冷的冬天随着时间推移，使农夫的双手变得粗糙麻木。attitudecharactermindbodyemotionChat with AIVocabulary GamePractice Reading
verb🔗Share硬化，变硬。 To become or make (a consonant) more fortis."In some dialects, the "t" in "water" is hardened to sound more like a "d". "在一些方言中，“water”这个词里的“t”音会硬化，听起来更像“d”音。phoneticslinguisticsChat with AIVocabulary GamePractice Reading
adjective🔗Share铁石心肠，冷酷无情 Unfeeling or lacking emotion due to experience; callous."The bloody scene could reduce even the most hardened soldier to tears."即使是最铁石心肠的士兵，也可能被这血腥的场面感动落泪。characterattitudeemotionhumanmindChat with AIVocabulary GamePractice Reading
adjective🔗Share根深蒂固，铁打的 Firmly established or unlikely to change; inveterate."His opposition to the school's new dress code was hardened, and he refused to reconsider. "他对学校新着装规定的反对态度已经铁了心，拒绝重新考虑。characterattitudemindChat with AIVocabulary GamePractice Reading
adjective🔗Share坚固的, 加固的 Having extra defences against attack; highly fortified."a hardened air base"一个加固的空军基地militarywarChat with AIVocabulary GamePractice Reading
