You use sometime to refer to a time in the future or the past that is unknown or that has not yet been decided. 某个时候
adverb [时间副词] 在（将来或过去的）某个时候
The sales figures won't be released until sometime next month. 销售数据要到下个月的某个时候才会公布。
adjective [原级] 曾经的，以前的；<美>偶尔的
Why don't you come and see me sometime. 你何不在某个时间来看看我？
