立場だったら

if … were in …'s position

→ 立場
phrase Uncommon #11,018
if … were in …'s position 立場 means “position” or “situation”; the phrase commonly appears in advice or hypothetical situations.
JA: 私があなたの立場だったら、まず本人に聞いてみます。
EN: If I were in your position, I’d ask them directly first.

もし私があなたと同じ立場だったら、今夜は早く寝ると思う。

If I were in your position, I think I’d go to bed early tonight.

もし私が君の立場だったら、そうはしないだろう。

If I were in your shoes, I wouldn't do that.

私があなたの立場だったら、辞めているだろうに。

If I were you, I'd have quit already.

君が僕の立場だったら、どうするかね。

If you were in my shoes, what would you do?

もし君がその立場だったら許可するか?

If you were in that position, would you allow it?

— 善き人のためのソナタ (2006)

君が僕の立場だったら、どうしたか考えてほしい。

I want you to think about what you would have done if you were in my position.

君の立場だったら、私も同じ事をするだろう。

If I were in your position, I would do the same thing.