An idiom meaning to pursue two jobs or roles at the same time (equivalent to "wearing two hats"); often used as 二足のわらじを履く.
彼は大学教授と作家、二足のわらじを履いて忙しくしている。
He is busy wearing two hats as a university professor and a writer.
副業を始めたが、二足のわらじを履くのは体力的にも大変だ。
I started a side job, but wearing two hats is physically demanding.
小さな店を経営しながらフリーランスの仕事もこなす—まさに二足のわらじだ。
Running a small shop while doing freelance work too—truly wearing two hats.