Have your hands full
Definition 1 of 2
Pro Tip 1/3Metaphorical Use
The phrase often symbolizes being overwhelmed without literally carrying things. 
Planning the event alone? You'll have your hands full!
Pro Tip 2/3Emotional Tone
This phrase can express sympathy or admiration for someone's effort. 
She has her hands full running the charity, but she’s doing great.
Pro Tip 3/3Not About Difficulty
Focuses on how busy you are, not on how hard the tasks are. 
Even though the tasks are easy, I have my hands full with them.