1
general::
Phrase(s): lift off
[for a plane or rocket] to move upward, leaving the ground. • The rocket lifted off exactly on time., Phrase(s): lift something off (of) someone or something [and] lift something off
to raise something and uncover or release someone or something. (Of is usually retained before pronouns.) • Lift the beam off of him and see if he is still breathing. • Please lift off the heavy lid.
McGrawhill's American Idioms And Phrasal Verbs