He is Fluent but glib?

i am a excellent and fluent reader.

Yes it can. Ex. "She speaks in fluent sentences." "His sentences are fluent." Fluent Adj.1. a. Able to express oneself accurately and effortlessly: a fluent speaker; fluent in two languages. b....

Practice, spend time with people who speak English well, and practice the pronunciation and grammar the way they do.

The most simple way of pronouncing this word is flu-ent so the vouls don't merge as for example read.

To be fluent in a language means to be able to read and speak it at a level where you can communicate thoroughly with a native speaker.