throw your hat into the ring

US /θroʊ jʊər hæt ˈɪntu ðə rɪŋ/
UK /θroʊ jʊər hæt ˈɪntu ðə rɪŋ/
"throw your hat into the ring" picture
1.

參選, 加入競爭

to announce one's candidacy for an election or competition

:
After much deliberation, she decided to throw her hat into the ring for mayor.
經過深思熟慮,她決定參選市長。
Several candidates are expected to throw their hats into the ring for the upcoming presidential election.
預計將有多位候選人參選即將到來的總統選舉。