愿赌服输心服口服(xīn fú kǒu fú): ⒈ 真心信服,嘴里也承认。心甘情愿(xīn gān qíng yuàn): ⒈ 心里愿意受苦、吃亏。说话算话信守承诺出尔反尔(chū ěr fǎn ěr): ⒈...