Really, Miss Peachum, you but expose yourself. Besides, ’tis barbarous in you to worry a Gentleman in his Circumstances.
Lucy so quickly sides with Macheath again, she is way too easily convinced. This continues throughout the latter half of the play, with both Lucy and Polly denouncing Macheath and then just a few lines later being enthralled with him and wanting to die alongside him? Very, very flimsy characterisation.