How to use "thirsty" in a sentence

Climbing is thirsty work." But there was something odd in his voice again, and a strange expression on his face

I also found that I was very tired, and hungry and thirsty again.

'If you're thirsty, we have water in the boat.' I said.

'However, I am very thirsty and I must drink something.' So he took the bottle and drank some water.