1. promise sb. sth.：向某人承诺某事物。例如：“The company promised their employees a salary increase next year.”（这家公司向他们的员工承诺明年会涨薪。）
2. make a promise：做出一个承诺。例如：“I made a promise to my son that I would take him to the amusement park this weekend.”（我对儿子做出了一个承诺，说我会在这个周末带他去游乐场。）
3. keep one’s promise：履行承诺。例如：“She always keeps her promises and never lets anyone down.”（她总是兑现承诺，从不让任何人失望。）
4. break a promise：违背承诺。例如：“He broke his promise to call me back, so I don’t trust him anymore.”（他违背了答应给我回电话的承诺，所以我不再信任他。）
5. promise to do sth.：承诺做某事。例如：“The candidate promised to reduce taxes and create more jobs if he was elected.”（那个候选人承诺如果当选，会降低税收并创造更多的就业机会。）
6. underpromise and overdeliver：缩小承诺，超额实现。例如：“The company always underpromises and overdelivers, which is why it has such a strong reputation for customer service.”（这家公司总是低调承诺，却能超额实现，这就是为什么它在客户服务方面有如此强的声誉。）
