His talk was completely nonsense.

This discussion is completely meaningless.

His meaningful gaze made me uneasy.

He is majoring in semantics at university.

His words were profound, which made me think.

He is an expert in ethology, and his research is highly regarded worldwide.

Natural language understanding is an important field of artificial intelligence.

He starts talking about himself at every opportunity, causing trouble for the people around him.

He likes to take a walk in the park at dusk.

We should always remember the power of Kannon in difficult times.