1. in a while: 一会儿，过不久

eg. Every once in a while the noise would quiet.
每隔一会儿一切噪声都会安静下来。

eg. It gets weaker every time you ignore it so listen to it every once in a while.
而你越忽视（内心），心灵的声音就越微弱，因此，你需要时常倾听自我心声。

2. let it go: 任它去，放下

eg. But I knew what she needed most, so I let it go.
但是我知道她最需要什么，所以我也就随它去了。

3. open mind: 思想放开

eg. Keep an open mind and heart.
保持一个开放的头脑和心。

eg. All you need is an open mind and an hour each day.
你所需要只是一个开放头脑和每天一小时的时间。

4. there was a time when: 历史上有一时期

eg. There was a time when everyone's opinion was mine as well.
曾有一段时间，我也视别人的意见为我所有。

5. split open: 裂开

eg. We can't split open a case to fill your order .
因为我们不能拆箱来凑足你的订量。