slow on the uptake

do a slow burn

To experience a gradually increasing feeling of anger or frustration; to slowly burn.

quick on the uptake

Able to readily understand things; aware and intelligent.

slow burn

Something that emerges or unfolds slowly or gradually.

slow march

A progression or unfolding of events which occurs in an unhurried, steady, deliberate manner.

slow off the mark

slow to act or react

slow study

One who takes a long time to learn or understand things; a slow learner.

slow up

To slow; to slow down; to decelerate.