Idiom
take on somethingtake on (something)
1.
to begin to have something.
A chameleon can take on the color of the leaf it is on, making it hard to see.Her voice took on a troubled tone.
2.
to fight against something.
You have to be well prepared to take on a large corporation.We understand how this disease works, and we're ready to take it on.
3.
to accept something.
My sister took on the responsibility of caring for our elderly mother.I knew it was going to be a difficult job I wouldn't want to take it on.