（做事）图省事，贪便宜，取捷径to save money or time when doing something by not including some parts, actions, or details, so that the result is not as good as it could be
There were concerns that airport security staff under pressure might be tempted to cut corners.
Will speeding up nurses' training lead to improved patient care, or is it simply cutting corners?
The dictionary took nearly 70 years to complete because its makers refused to cut corners.