1. Life, too much frustration, too much sorrow. 人生、太多的无奈，太多的、悲伤。
2. For every frustration , there are a hundred satisfactions. 每一个挫折，等于百次满足的补偿。
3. Plan on slow and steady progression, and prepare for setbacks and even frustration. 进行缓慢而稳定的进展计划，并且对倒退和沮丧做好准备。
英英解释
n.
1. the feeling that accompanies an experience of being thwarted in attaining your goals
2. an act of hindering someone's plans or efforts
3. a feeling of annoyance at being hindered or criticized
