ขึ้นสังเวียน(khûn-sǎng-wian)

Meanings

1VerbB2

[to] enter the ring; [to] step into the arena

to enter the ring for a fight or competition; to step into the arena to compete

2VerbB2

[to] engage in a contest; [to] enter a competition

to enter a competition, debate, or face a challenge (figurative)