• have the nerve to do sg
• to pull, to take effect, to tell, told
• to keep one's wits about one
• to be crummy, to feel crummy
• have a good head on one's shoulders, his head is screwed on the right way
• have the wind up, to get the wind up
• it's rather cold, the weather is on the cold side
• to be obsessed with an idea
• I have my own peculiar reasons
• to be in good shape, to be in good trim, to be in training
• to be frightened, to feel frightened
• to get beyond one's depth, to get out of one's depth, to go beyond one's depth, to go out of one's depth