no, a complex-complex sentence is just a complex sentence. there is no such thing as a complex-complex sentence.
Vigorous means powerful and energetic. My dad is very vigorous because he's gotten a lot of muscle.
To be honest I'd focus on basic grammar before adding words such as vigorous.
I enjoy vigorous exercise like mountain climbing.
When making a mixed drink, it is advisable to shake the beverage along with crushed ice in a vigorous fashion. John completes all duties in a vigorous manor.
A compound complex sentence is when you combind a compound sentence and a complex sentence.
no.
A complex sentence has a dependent clause and a compound-complex sentence has two independent clauses.
complex
This complex sentence is hard to diagram. A description of a mental disorder could be characterized as a complex sentence.
Quotes " "
A complex sentence is a sentence consisting of an independent clause and a subordinating clause.