Peg away and Take on

Peg away verb - To devote serious and sustained effort.

Take on and peg away are semantically related. in be employed topic. In some cases you can use "Take on" instead a verb "Peg away", when it comes to topics like attempt to achieve something.

Take on verb - To enter into contest or conflict with.

Peg away and take on are semantically related. Sometimes you can use "Peg away" instead a verb "Take on".