In this quote, Judi Dench is revealing her failure to perform an easy job - working a bicycle pump. This might be translated in a literal sense, as Dench may not have the physical strength or understanding to run a bicycle pump. However, it could also be seen as a metaphor for her constraints or weaknesses in other areas of her life. Dench may be acknowledging that she is not perfect and has certain restrictions, much like everybody else. This quote could also be seen as an amusing self-deprecation, as Dench is known for her wit and beauty. In general, this quote highlights the human experience of flaw and vulnerability.
"I was married to Margaret Joan Howe in 1940. Although not a scientist herself she has contributed more to my work than anyone else by providing a peaceful and happy home"