1.
the car door was unfastened; unfastened seatbelts.
车门没关，解开的安全带。
2.
The act of unfastening or loosening.
解开，松开，打开解开或松开的动作
3.
unroll, unfold, or spread out or be unrolled, unfolded, or spread out from a furled state.
打开、解开、展开或从卷起的状态解开、打开、展开。
4.
the solution of a problem [riddle]
问题 [谜] 的解答 [解开]
5.
To loosen or undo the buckle or buckles of.
松开或解开…的带扣
6.
To loosen or undo the lacing or laces of.
松开或解开…的带子
7.
To unwind and open(something rolled up.
解开把（成一团的某物）解散并打开
8.
To undo or loosen(a knot or something knotted).
解开解开或松开（一个绳结或纠结在一起的某物）
9.
To separate the connected parts of.
解开，使脱开分开…的连接部分
10.
To unfasten or loosen the strings of.
松开弦解开或松开…的弦（或线）
11.
To straighten out or disentangle(a jumble or tangle); resolve.
解开理清或解开（一堆乱糟糟的或纠结成一团的东西）；解开
12.
To free from a tangle;disentangle.
解脱；解开把…从一团纠结的事物中解脱出来；解开…的缠结
13.
untangle knitting wool, electric flex
解开缠结的毛线、 电线
14.
and frequently slipped the bandage free,
时常解开他扎嘴的带子，
15.
Ashurst's frown dissolved.
艾舍斯特的愁眉解开了。
16.
Please uncord the box.
请解开那个盒子的绳子。
17.
He undid the string round a parcel.
他解开了绑包裹的绳子。
18.
Unbuckle your seat belt.
解开你座位上的安全带。