linger on
To continue to ponder or observe something for longer than normal.
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long
faintly
The taste of chocolate lingered faintly on her tongue after she finished the cake.
still
on
The smell of coffee lingered on in the kitchen even after we opened all the windows.
PREP
on
The smell of fresh bread lingered on the kitchen counter long after breakfast.
over
She lingered over her breakfast, reluctant to leave for work.