Power bank
移动电源
例句：
Power bank plays an important role in our daily life.
移动电源在我们生活中非常重要。
Full of oneself:
全都是自己 ×
特别自大 √
例句：
All the boasting she did led the interviewers to conclude that she was full of herself.
她不停吹嘘自己，让面试官都觉得她特别自大。
Paint myself into a corner:
把自己画在一个角落里 ×
陷入困境 分身乏术 √
例句：
Now I've really painted myself into a corner. I've taken on too much. It's impossible for me to get everything done!
我是自作自受，揽了太多的工作，简直是分身乏术。
To ask for the moon:
要得到月亮 ×
做不到的事情或是得不到的东西 √
例句：
We can't afford all the things you ask for. So stop asking for the moon！
我们无法满足你的种种要求，所以别再提出非分的要求！
