to keep back
[phrase form: keep]
01
忍住, 抑制
to prevent a feeling, emotion, or reaction from being expressed or displayed
例子
She could n't keep back her tears when she heard the sad news.
当她听到这个悲伤的消息时，她无法忍住眼泪。
He struggled to keep back his laughter during the serious meeting.
在严肃的会议期间，他努力忍住笑声。
02
保留, 隐瞒
to withhold or refuse to reveal information to someone
例子
I have a feeling that she 's keeping back important details about the project.
我有一种感觉，她正在隐瞒关于这个项目的重要细节。
The detective suspected that the witness was keeping back key information.
侦探怀疑证人隐瞒了关键信息。
03
保留, 预留
to set aside a portion of something for a specific purpose, often for personal use or future needs
例子
He decided to keep a portion of his earnings back for future investments.
他决定留出一部分收入用于未来的投资。
She advised her friend to keep back a bit of the cake for a midnight snack.
她建议她的朋友留出一点蛋糕作为午夜小吃。
04
保持距离, 远离
to maintain a distance from someone or something, usually for safety reasons
例子
The lifeguard instructed swimmers to keep back from the dangerous currents.
救生员指示游泳者远离危险的水流。
Pedestrians were asked to keep back from the accident scene to allow emergency responders access.
行人被要求远离事故现场，以便应急人员进入。
05
拦住, 阻止接近
to prevent someone from getting too close to another person or thing
例子
The security guards were instructed to keep back anyone without proper identification.
保安人员被指示拦住任何没有适当身份证明的人。
The police used barriers to keep back the protesters from approaching the government building.
警察使用障碍物阻止抗议者接近政府大楼。
06
留级, 保留
to require a student to repeat a grade or year at school due to poor academic performance
例子
The school decided to keep back some students in the second grade to provide additional support.
学校决定留级一些二年级的学生以提供额外的支持。
James was kept back a year in high school to catch up on his studies.
詹姆斯在高中被留级一年以赶上他的学业。
07
留, 放学后留下
to require a student to stay at school beyond normal hours for disciplinary reasons
Dialect
British
British例子
The teacher decided to keep him back after school for talking during class.
老师决定因为他在课堂上讲话而放学后留下他。
They were kept back for detention as a consequence of their misbehavior.
由于他们的不当行为，他们被留堂了。
