to take up a challenge / to face an attack and meet it
童趣
tóng qù
qualities that delight children (e.g. bold colors in a picture, anthropomorphized characters in a TV show, the physical challenge of playground equipment)
(of a warlord etc) to assemble one's personal army, thereby presenting a challenge to the central government
有本事
yǒu běn shi
to have what it takes / (coll.) (often followed by 就[jiu4]) (used to challenge sb) if you're so clever, ..., if she's so tough, ... etc / Example: 有本事就打我[you3 ben3 shi5 jiu4 da3 wo3] Hit me if you dare!
踢馆
tī guǎn
to challenge an established martial arts school to a fight (to prove one's skills or gain reputation) / (fig.) to prove oneself by competing against those already established in a particular field