前些

他是你前些时候见过的那个人。

tā shì nǐ qián xiē shí hou jiànguò de nà gè rén。

He is the man you met the other day.

对了，前些时间你说伞不见了，现在找到了吗？

duì le， qián xiē shí jiān nǐ shuō sǎn bù jiàn le， xiàn zài zhǎo dào le ma？

By the way, did you find the umbrella you said you'd lost the other day?