Their communication may be much more complex than we thought.
Math is like love: a simple idea, but it can get complicated.
Do you know anything about complex carbohydrates?
Asked about her job, she said, "My job is too complicated to sum up in a word."
He is good at solving complicated mathematical problems.
He devised a complicated clockwork toy.
He dwelt on the complexities of modern life.
He came up with a terrific solution to the complex problem.
His lie complicated matters.
The structure of the brain is complicated.
To this extent, it has the characteristics of a great complicated balance between plant life and lower forms of animal life.
And though a web looks complicated, it takes a spider little time to make one and catch insects.
The explanation may be much more complex.
Man is a complex organism.
Don't complicate the problem by raising new issues.
The new computer was too complicated for me to use at first.
The writing style is much less complicated in this article.
The situation has evolved into a more complex problem.
Lately the discount airline ticket system has gotten so complicated that there's a lot about it I can't figure out.
Life today is fast-moving and complex.