harden
UK ['hɑ:.dən] US ['hɑ:r-] verb intransitive or transitive
SOLID 凝固
■to become or make hard （使）变硬•The mixture hardens as it cools.混合物冷却时变硬了。 •It is thought that high cholesterol levels in the blood can harden the arteries (= make them thicker and stiffer, causing disease).据信血液中的胆固醇含量高会导致动脉硬化。
UK ['hɑ:.dən] US ['hɑ:r-] verb intransitive or transitive
SEVERE 严厉
■to become more severe, determined or unpleasant （使）变严厉，（使）变坚强，（使）变冷酷•Living rough in the desert hardened the recruits a lot (= made them stronger).沙漠的艰苦生活把新兵锻炼得更加坚强。 •As the war progressed, attitudes on both sides hardened (= became more severe and determined).随着战争持续，双方的态度都变得更加强硬。
UK ['hɑ:.dən] US ['hɑ:r-] verb intransitive or transitive
harden your heart
■to make yourself stop feeling kind or friendly towards someone 硬起心肠•You've just got to harden your heart and tell him to leave.你只有铁了心肠让他离开。 |