My thumb is festered, it hurts! I couldn't sleep at all last night. 我的拇指化脓了，疼死了! 我昨晚一夜都没睡 My thumb is infected, it hurts! I couldn't sleep at all last night. 我的拇指感染了，疼死了! 我昨晚一夜都没睡 When a cut gets infected it starts to fester and smell bad 当刀口感染时, 它就会开始化脓而且气味不好 There are many ways to say "I am in pain" in our language, which depends on what context it is used in. I am still in pain 6 weeks after breakup. 我分手后六周后还是很悲伤(痛苦) I am still in pain 6 weeks after surgery 我手术六周后还是很痛（疼）

我很难受。我很疼。我很痛苦。etc.

疼死了”用的很低调 疼=痛 下面就是关于程度的不同了。 你可以说疼“死”了，可以说疼的“要命”，疼的“受不了”，疼的“厉害”。 这里形容“很”疼。a lot of pain