firm up

• • (使)变坚固，(使)变坚实；变稳固：

    The ma-chine helps to firm the ground up.

    这台机器能把地面打坚实。

  • (使)(某事)落实，稳固，稳定：

    The government must act to firm prices up.

    政府必须采取措施稳定物价。