1
general::
Phrase(s): slip by 1. [and] slip by someone or something
to move by someone or something quickly or unnoticed; to move through a tight area or past someone or something in a tight area. • The hall was narrow, and I could hardly have slipped by. 2. [for time] to pass quickly or unnoticed. • Goodness, almost an hour has slipped by! How time flies. • The entire workday slipped by before I knew it.
McGrawhill's American Idioms And Phrasal Verbs