grapple - To seize something and hold it firmly; to wrestle with; to ponder and intensely evaluate a problem; to struggle to deal with
When Bill got lost on his trip to Paris, he had to grapple with the task of finding a place to sleep and not knowing the language.
hint - A small or subtle piece of advice, suggestion, or information, often given to help someone understand something or solve a problem.
After a difficult 30 minutes in front of the group, my manager gave me a hint on how to improve my presentation.