今週のいつか、今週中にsometime next week: 来週{らいしゅう}のいつかI should be very pleased if you could visit me sometime next week. 来週のいつかにお越しいただければ幸いです。sometime within the week: 今週中にsit down and talk sometime this week: 今週中{こんしゅう ちゅう}に一度{いちど}ゆっくり[腰を落ち着けて]話し合う