英汉词典

1. 松动的；未固定牢的
    Something that is loose is not firmly held or fixed in place.

loose是什么意思

    e.g. If a tooth feels very loose, your dentist may recommend that it's taken out...
           如果有一颗牙齿很松，牙医可能会建议你把它拔掉。
    e.g. Two wooden beams had come loose from the ceiling...
           房顶上有两根木梁已经松动。