不拥挤to become less crowded

• 商场里只有中午比较松动些。

  The only time the department store is a little less crowded is lunchtime.

宽裕well-off

• 现在他的生活松动多了。

  He is a lot better off now.

• 他手头不松动。

  He is a bit short of money.

牙齿、螺丝等不紧to work loose

• 门牙松动

  front tooth works loose

改变强硬状态to soften

• 谈判中双方口气都有了些松动。

  During the negotiations the tone of both parties softened slightly.

【冶】to rap