On the other hand, stronger language can sometimes break through a defensive shell.

It's a defensive shell designed to keep out living things.

For the Rangers, the defensive shell was complete in the third.

"Some people say we're a defensive team, but we can't get into a defensive shell."

We went into a defensive shell that obviously didn't work at all.

Well, at least Tilly would be well outside the range of the defensive shell, too.

Some of the patients tried to help me overcome my "defensive hard shell."

By not trying to make him over, he thought, she left him free to change for himself instead of being frozen behind a defensive shell.

Conway felt the defensive shell of his resolution begin to disintegrate around him.

Rather than withdraw into a defensive shell, the Americans played keep-away the rest of the way.