think long and hard

think long and hard

to carefully consider something Allen liked to think long and hard about each question, and his answers were always carefully expressed.
See also: and, hard, long, think

think long and hard

to think very carefully about something before making a decision I thought long and hard before deciding to leave my husband. (often + about ) He thought long and hard about how to tell the children.
See also: and, hard, long, think