忙しい

Idioms meaning very busy:

• got a lot on one's plate
• tied up
• snowed under

Examples:

• Don't bother her; she's got a lot on her plate.
• I can't meet you because I'm tied up at the office.
• He's snowed under with work.

ストレス

Got a lot on one's plate also means:

• busy + stressed
• lots of problems
• a very big problem

イギリス朝食