v. hold back within
v. allow to remain in a place or position or maintain a property or feature
v. secure and keep for possible future use or application
v. keep in one's mind
vt. 保持, 保有, 留住, 记得, 付定金聘请
[经] 保留, 留存
1. He tried to retain the information for the exam.
他努力记住考试的信息。
2. The company wants to retain its best employees.
公司想留住最优秀的员工。
3. It's important to retain a positive attitude during difficult times.
在困难时期保持积极的态度很重要。