A series of quick tapping sounds

With a quick tapping sound

(idiomatic) Exhibiting disquiet or unsoundness of mind; not sane; mad.

To fill a bathtub with water in preparation for taking a bath.

To fill a bathtub with water in preparation for taking a bath.

(idiomatic) Without thinking seriously about the consequences.

(idiomatic) To photographically capture an image / (informal) Used as a rebuke to someone perceived to be staring at one. Also take a picture, it'll last longer.

(idiomatic) To look quickly at someone or something, hoping that nobody notices the action.

(adjectival) Rushed, hurried; short of time. / (adverbial) In a hurried manner.

An otherwise unpleasant situation can be pleasant when a pleasant aspect is deliberately introduced.