harden

1.[i][t]（使）变硬，硬化to become or make sth become firm, stiff or solid

2.[i][t]（使声音、面孔等）更严肃，更严厉if your voice, face, etc.hardens , or youharden it, it becomes more serious or severe

3.[i][t]（使）更坚定，更强硬if sb's feelings or attitudesharden or sb/sthhardens them, they become more fixed and determined

4.[t][usupass]~ sb/sth/yourself使变得无情；使不被打动to make sb less kind or less affected by extreme situations

1.使坚固,使变硬

2.使锻炼得坚强;使果断

3.使变冷酷;使顽固

4.(把飞弹基地等用水泥等加固或设在地下)使不受爆炸[热幅射]之害

5.变硬,凝固

6.变强硬;变果断

7.变严厉;变冷酷

8.(意见等)坚定;(行情等)看涨

1.哈登

1.to become hard or firm, or to make something hard or firm

2.to make someone become less affected or upset by unpleasant things so that they show less kindness or sympathy to other people; if your expression or voice hardens, you begin to look or sound unfriendly

3.to become strong, to make someone or something strong

4.if you harden your attitude, or if it hardens, you refuse to change it