It's unbearable and uncomfortable, and it makes you want to bite your nails or just run out of the room.
这真让人难以忍受，很不自在，这让你想咬指甲或者干脆夺门而出。
2
We may decide to eat more healthily, to get more exercise, not to bite our nails, to spend more time with our families, or really anything and everything that we feel we don't do, or don't do enough.