乔安妮刚要作保证，丹尼尔就把她打断了。Immediately, Daniel cut in on Joanne's attempts at reassurance.他刚要发火，不过又及时克制住了。He was about to lose his temper but checked himself in time.她刚要说话,被她姐姐拦住了.She was about to speak when she was stopped...

“刚要”的英语可以翻译为：e about to，about to...