牢固地系紧
to attach something in a way that it is safe and not likely to come loose
关闭或连接某物的两个部分
牢固地系紧
to attach something in a strong, unmoving way
以一种强有力、不动摇的方式固定某物
紧紧地系上
to attach something with force, leaving no space
用力固定某物，不留空隙
扣上，拉上
to close or join the parts of something, like a coat or a bag
闭合或连接某物的各个部分，如外套或包
正确地系好
to attach something in the correct or intended way
以正确或预期的方式固定某物
系在一起
to join two or more things to each other
将两个或多个物体连接在一起