before one

基本解释

There are dangers in snow sports, however, which must be taken notice of before one pursues the sport.
然而，滑雪运动是有危险的，在参与这些运动之前，必须先注意到这一点。
Often before one is diagnosed with Chronic Fatigue Syndrome, the patient needs to go through an interview with a psychiatrist.
在一个病人被诊断为慢性疲劳综合症之前，他往往需要和精神病医师会见一次。
Each cabinet nominee appears before one or more parliamentary committees in consultative open hearings and must be formally approved by the president.
每个内阁必须由一个或者多个国会委员提名前在协商听证会上出现，并获得的总统正式批准。

It was a little before one o'clock in the afternoon when Paul arrived at the Waldorf-Astoria hotel.
In fact, I dug up this from a few years ago it was actually pretty fortuitous like the day before one of CS50s lectures the original iPhone was cracked.
实际上，我在几年前,发现了这个，这是相当意外的,就像在一个CS50演讲前一天,我的iPhone，坏掉了。
哈佛公开课 - 计算机科学课程节选
And I know that like in Japan, they like to cultivate relationships first before they do business with one another,
我知道，在日本，人们在做生意之前先经营彼此关系。
学习外语的重要性 - SpeakingMax英语口语达人

Decide how long you can struggle before one or both of you has to walk away.
FORBES: Look Before You Leap into a Partnership