[keep one's nose clean] {v. phr.}, {slang} To stay out of […]

[keep one's nose to the grindstone] or [have one's nose to […]

[keep one's own counsel] {v. phr.}, {formal} To keep your ideas […]

[keep one's shirt on] {v. phr.}, {slang} To calm down; keep […]

[keep one's temper] See: [HOLD ONE'S TEMPER].

[keep one's weather eye open] See: [WEATHER EYE].

[keep one's wits about one] See: [KEEP ONE'S HEAD].

[keep one's word] {v. phr.} To do what one has promised; […]

[keep open house] {v. phr.} To offer hospitality and entertain those […]

[keep out (of)] {v. phr.} 1. To stay out; remain out […]