unloosen
unfasten
let slip
unclamp
disentwine
disentangle
easing
unlock
unlink
unfix
unloose
unpinn
松開 [sōng kāi]
- loosen; unclasp; unfix; unlink; unlock; let loose of:
loosen a screw
松開螺絲
短語:
1. 松開機構tripping gear
2. 松開鍵reverse keys
以上內容來源於：《新漢英大詞典》
1.妳的壹個扣子松開了。
One of your buttons is undone.
2.他飽餐壹頓以後就松開腰帶睡著了。
After the huge meal he loosened his belt and went to sleep.
3.這個結老松開。
This knot keeps loosening.
4.妳能把這個瓶蓋松開嗎？
Can you loosen the lid of this jar?
5.我松開了領帶，但是沒有把它解下來。
I loosened my tie, but I didn't take it off.