喝口凉水也塞牙

喝口凉水也塞牙:

Literally means:

drink some water only to stuff the slit between the teeth; be very unlucky.

Actually means:

It means that the slit between the teeth can be stuffed even by drinking cold water.

It figuratively means that nothing goes smoothly. When people believe they are very unlucky or are in trouble, they often say this in complaint.

喝口凉水也塞牙，喝一口凉水也要塞住牙齿缝。喝口凉水也塞牙，比喻做什么事都不顺利，当人们自认为运气不好，做事碰到麻烦时常用这样的话表示怨气。