合わせなさい

match, put together, combine

→ 合わせる
合わせ to combine, put together + なさい Polite imperative
verb · imperative Rare #41,251
match, put together, combine Command form; commonly used for instructions such as telling someone to match or put things together.
JA: 二つの写真を合わせなさい。
EN: Put the two photos together.
Conjugation of 合わせる
Imperative
合わせなさい

時間を合わせなさい

Set the time.

あなたの計画を私に合わせなさい

Adjust your plans to fit mine.