Shèshēnchǔdì xiǎng yi xiǎng, rúguǒ nǐ shì tā, nǐ huì zěnme bàn?
Think about it from his perspective — if you were him, what would you do?
Tips
memory
Break it down: 设身 = place your body, 处地 = stand in that place. Literally 'set your body in that position' — perfect for remembering it means to stand in someone else's shoes.