The initial idioms of the letter K

keep in line	keep mum
keep note	keep off
keep on	keep one's distance
keep one's eyes off	keep one's eyes open
keep one's eyes peeled	keep one's eyes skinned
keep one's hands off	keep one's mouth shut
keep one's nose to the grindstone	keep one's shoulder to the wheel
keep open	keep out
keep pace	keep quiet
keep step	keep tabs on
keep to oneself	keep track
keep up	keeper
keeping	keepsake
keeshond	Keflex
Keflin	Keftab