Some handy Idioms

hassle (noun): a troublesome situation; something troublesome that interrupts one's normal routine.

"I know it's a hassle to complete this form now, but Mr. Rogers
needs it in his office by the end of the day."

hard feelings: anger; animosity; bitter feelings.

A: "I'm sorry that Jim got the job instead of you."
B: "I have no hard feelings toward him; I know that he had stronger qualifications."

hard-headed: stubborn; inflexible; unwilling to change.

"I don't think Julie will change her mind. She's pretty hard-headed."

hassle (verb): annoy; bother; interrupt one's normal routine.

"If you'd stop hassling me, I might get this finished on time!"

have one's hands full: be extremely busy.

A: "Will you be able to help us this afternoon?"
B: "I'm afraid not. I'll have my hands full trying to finish my research paper."