rɪˈvɜːs verb
5
reverse yourself
to change your opinion or position in an argument [美] 〔争论中〕改变主意 (立场 ) AmE
突然,他彻底改变了立场。
noun
11
DEFEAT
失败
a defeat or a problem that delays your plans [正式] 失败; 挫折; C | formal
失去参议院的投票支持对总统来说是严重挫折。