Meaning of yī zhèn zi:
一阵子
a while; a spell; a short time
Tā yǐjīng líkāi yī zhènzi le, dàjiā dōu yǒuxiē xiǎngniàn tā.
他已经离开一阵子了,大家都有些想念他。
He has been away for a while, and everyone misses him a little.
Wǒ xūyào xiūxí yī zhèn zi.
我需要休息一阵子。
I need to rest for a while.
Wǒ zhǐ xū yào yī zhèn zi lái wán chéng zhè gè rèn wù.
我只需要一阵子来完成这个任务。
I only need a short time to complete this task.
a burst
Wǒmen zhǐ xūyào xiūxí yī zhèn zi.
我们只需要休息一阵子。
We just need to rest for a little while.