It was all Kokke needed to expound further.

Later, he expounds further on the meaning of his very, very eclectic new way.

Thomas tried for several more minutes, but while Armando was polite, he wouldn't expound further on what he had said.

Just as he was about to expound further, she spoke.

Perhaps you would be so kind as to expound further, my lord?

Pease further expounded on his personal views and habits when he said:

Ro continued looking at him expectantly, probably waiting for him to expound further on Garak.

He leans back to expound on this further.

Time and space will not permit me to expound further, especially in the area of the psyche.

Peterson expounded further that the plot of the episode would show that "Clark is not God".