I always make a point of locking the door myself." So saying Miss Penfold went out, leaving the door wide open behind her.
"Have you left her alone there ?" Eleanor asked her sister as she entered the sitting-room.
"Certainly I have," Miss Penfold said coldly.

"I do wish you would not be so nervous, Eleanor.

The woman can have no interest in this matter.
She may have heard of it from the other servants, but it can be nothing to her.

You know as well as I do that there is no chance of her stumbling upon it by accident.

It was different with the last girl.