She lets out rooms to students.
她把房间出租给学生。
When she gets angry with her boyfriend, she really lets rip at him.
当她生男朋友气的时候，她真的对他破口大骂。
She speaks French very fluently, but her pronunciation lets her down.
她法语讲得很流利，但美中不足的是发音不大好。
The traffic in this city never lets up, even at night
这个城市道路上的'车辆从来就没少过，甚至晚上也不例外。
This option lets you create new files or directories.
用这个选项你可以创建新的文件或目录。