"First time."
This phrase is used to indicate that a person is experiencing something for the first time in their pfe. It is a simple and straightforward way to express this idea in Engpsh.
Example sentences:
"This is my first time visiting New York City."
"I've never ridden a bike before, this is my first time."
"She played the piano for the first time in front of an audience last night."
Translations:
"这是我第一次来纽约市。"
"我从来没有骑过自行车，这是我第一次。"
"昨晚，她第一次在观众面前弹钢琴。"