Take bull by the horns and Take on

Take on and take bull by the horns are semantically related. in come up against a situation topic. In some cases you can use "Take on" instead a verb phrase "Take bull by the horns".

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

Take bull by the horns and take on are semantically related. Sometimes you can replace phrase "Take bull by the horns" with "Take on", this terms are similar.