cross my heart
發誓,表示誠實或真心的意思
口語·表示發誓或真誠承諾
英文釋義
to promise sincerely or to signify the truthfulness of a statement by making a solemn gesture of crossing one's chest
例句
I didn't take your cookie, cross my heart and hope to die.
典故來源
源自兒童誓言手勢,用手在胸前畫十字表示真誠,常與“hope to die”連用加強承諾,19世紀流行。