It's my first time to be in the long jump.

这是我第一次参加跳远比赛。

youdao

It was my first time to travel alone, I felt really nervous at first.

这是我第一次独自旅行，一开始我真的很紧张。

youdao

It's my first time to drive alone.

这是我第一次独自开车。

youdao

"I feel so strongly that this country is headed, fiscally,in a horrible direction, and for the first time in my adult life, we have a Congress that will not listen to the people, and we are fed up and we want them to listen to us."

VOA: standard.2010.03.16

Though it was my first time to the city, I felt as though I had been here before.

BBC: Welcome to the new Toronto

"It will be my first time to be arrested, " Angelot told KGO.

CNN: California high court upholds same-sex marriage ban

This is my first time traveling to China, and I'm excited to see this majestic country.

WHITEHOUSE: President Obama Holds Town Hall with Chinese Youth