Suddenly, with a plunge, as of the swimmer who leaves the bank, she hurried across the road, and we heard the sharp clang of the bell.
"I have seen those symptoms before," said Holmes, throwing his cigarette into the fire.

"Oscillation upon the pavement always means an affaire de coeur.

She would like advice, but is not sure that the matter is not too delicate for communication.

And yet even here we may discriminate.

When a woman has been seriously wronged by a man she no longer oscillates, and the usual symptom is a broken bell wire.