She was feeling a little groggy when I saw her.

我看见她时，她正感觉到有一点头晕脑胀。

《柯林斯英汉双解大词典》

I was on my way to dinner last night when I saw her.

昨晚我在去吃晚饭的路上看到了她。

youdao

When I saw her, I thought: "What a beautiful girl."

我见到她的时候我就想；“多没的女孩啊。”

youdao

"I think when I saw her, I knew she was dead, " the accused said.

BBC: Assault was 'key factor' in death of Kathleen Milward

"I just could not believe it when I saw her in the hospital, " her mother, Zobeda Begum, said through tears.

NPR: Woman Rescued From Bangladesh Rubble Recovering

When I saw her, Thatcher was out of office, but totally unforgettable.

FORBES: Margaret Thatcher (1925-2013): A Personal Encounter