しなさい、そうすれば

do ..., and then ...; do ..., and that way ...

→ 為る
phrase Rare #38,308
do ..., and then ...; do ..., and that way ... Introduces an instruction followed by its expected result. しなさい is a direct command, often used by someone speaking to a child or someone of lower status; そうすれば means “if you do so” or “that way.”
JA: 一生懸命勉強しなさい、そうすれば試験に合格するでしょう。
EN: Study hard, and then you'll pass the exam.