1.lucky break 幸运的突破
例句：I got my lucky break when I won a 'Young Journalist of the Year' competition.
我时来运转,在"年度最佳青年记者"竞赛中取胜。
bad breaks 倒霉
We've had a few bad breaks (= pieces of bad luck) along the way.
我们一路上遭遇了几次厄运。

2.a morale/confidence booster 士气/信心的激励
例句：At the very least, it is a morale booster. Fire can also be used to distill water cook, and provide light for you and your rescuers.
至少火能够鼓舞你的士气，另外还能用来蒸馏水、蒸煮食物、为自己和救援人员提供照明。

3.promote sb (from sth) (to sth) 提升；晋升
例句：She worked hard and was soon promoted.
她工作勤奋,不久就得到提升了。
He has been promoted to sergeant.
他已晋升为巡佐。

4.came out 被获知；为人所知
例句：The full story came out at the trial.
案情始末在审判时真相大白。
It came out that he'd been telling lies.
后来才知道他一直在说谎。