| 单词 | harden |
|---|---|
| 音标 | ['hɑ:dn] |
| 解释 | v.变硬，变坚强 |
| 红宝书 | 【英】 v. 变硬,变坚强(cause sth to become hard) 【考】 ripen : maturity / harden : solidity(使成熟结果是成熟/ 硬化结果是坚硬)反义词：macerate(浸 软) 【例】 The varnish takes a few minutes to harden. |
| 字源 | harden (n.) c.1200 (replacing Old English heardian) "to make (something) hard," from hard + -en (1). Meaning "to become hard" is late 14c. Related: Hardened (figurative sense of "unfeeling" is from late 14c.); hardening. |
| 不择手段背单词 | v. 使变硬; 使坚强(能经受住身体的或精神上的困苦) 【类】ripen: maturity = harden: solidity使成熟的结果是成熟 = 硬化的结果是坚硬 【反】macerate(v 浸软) |
| 趣味全助记 | 【记】hard + en |
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