to hold the road / to hold water, to be valid, to make sense

(transitive, figurative) to keep someone on their toes; to keep someone in bated breath, to keep someone in a state of uncertainty, be it hopeful or fearful

to keep to that point of it.

(transitive with à) (informal, figuratively) to buttonhole someone, to detain someone, to keep talking to someone so that they cannot leave

(transitive) to keep an eye on, to keep tabs on

(informal, transitive) (transitive with de) to keep informed; to keep in the loop

(transitive) to keep at bay

to stand still, to stay put

(transitive) to take for granted

(intransitive, of food) to stick to someone's ribs, to be filling, to be stodgy, to be heavy on the stomach