The soil is firming up now that the weather is drier.
天气干燥了,土壤也变得坚硬起来。
firm sth ⇔ upExercise will firm up your muscles.
锻炼身体能使肌肉结实。
The machine helps to firm the ground up for the game.
机器压实了比赛用的场地。
firm sth ⇔ upWe should firm up ties with the Third World.
我们应当加强与第三世界的联系。
I will return to Paris tomorrow, if I firm up the my air ticket.
如果我能把飞机票定下来的话,我打算明天回巴黎。
We should be able to firm up the agreement today.
我们今天应该能把协议确定下来。
The government must act to firm prices up.
政府必须采取措施稳定物价。
She is a clerk with the firm.
她是公司的职员。