He mulled over the subtler aspects of that vivid contact with his daughter.

Perhaps more significant was a subtle time-warp aspect to "Cheers."

As chief medical officer he was attuned to subtle aspects of crew performance that escaped his colleagues.

To be thorough, I should mimic the more subtle aspects of human behavior.

After my first brush with illness, Nebogipfel turned his attention to more subtle aspects of our survival needs.

He went into the subtle aspects through which dominance might be exhibited.

One subtle aspect of the place disturbed him, however.

They also may have difficulty with subtler aspects of social interaction, for example, timing and opportunity.

What I need help with are the more subtle aspects of eroticism in both the male and female.

"But what about the more subtle aspects of moral behavior?"