https://www.espn.com/nba/story/_/id/27074153/nba-allow-coach-challenges-summer
NBA will allow coach's challenges this summer
The NBA will implement a coach's challenge at the upcoming summer leagues and
anticipates using the rule during 2019-20 regular-season as part of a pilot
program, per a memo sent to teams this morning and obtained by ESPN.
NBA将会在今年的夏季联盟实施挑战制度，并且预计在19-20赛季进行实验
Coaches will get one challenge per game, and they will lose it even if the
challenge is successful, according to the memo. They can use it to challenge
only called fouls; goaltending; basket interference; and plays when the ball
is knocked out of bounds, the memo says. The league has tested this version
of the challenge system in the G League over the last two seasons.
教练每场比赛有一次挑战机会，即使挑战成功也会丧失挑战权，可以挑战的项目仅限于
犯规吹判、妨碍中篮、篮上干扰以及界外球，这个制度已经在G-League实施两季
Coaches must have a timeout remaining to use a challenge. The team must call
a timeout immediately after the event they would like to challenge, and the
coach must "twirl his/her index finger toward the referees" to signal for the
challenge, the memo states. If the challenge is successful, the team retains
the timeout it used to stop play. If the challenge is unsuccessful, they lose
that timeout.
要挑战时球队必须还有暂停，教练决定要挑战的话立刻叫暂停，同时对着裁判旋转食
指，暗示裁判要使用挑战，挑战成功暂停次数会保留，失败则会损失
The crew chief among the referees will determine the outcome of challenges
involving called fouls. The NBA's Replay Center will decide all other
challenges. Any technical flagrant fouls that occur during or "immediately
after" the call being challenged will stand regardless of the outcome of the
challenge, the memo says.
犯规吹判的挑战会由裁判长决定，其他则是交给重播中心，但挑战过程中或挑战后不久出
现的技术犯规，无论挑战的结果，都会保留
Both the league office and the NBA's competition committee, composed of
coaches, front-office executives, and players, are recommending the league's
Board of Governors approve the rule for the 2019-20 season "on a trial
basis," the memo says.
包括联盟办公室以及竞赛委员会都建议高层能在19-20赛季进行这项试验
"We anticipate this rule will be in effect in in the NBA next season as part
of a one-year pilot program," the memo states.
"我们预期这项实验在下季就能收到效果"
When the league and its teams discussed the challenge concept at the general
managers meetings in May in Chicago, there was some trepidation about
allowing coaches to challenge called fouls, per sources who spoke to ESPN.com
at the time. Backers of a more expansive challenge have apparently won that
argument for now. Coaches will not be able to challenge uncalled fouls. Any
attempt to expand the challenge rule into that area would result in a bigger,
and likely longer, fight, sources have said.
五月时联盟和球队就有讨论挑战权的概念，让教练挑战犯规吹判让人有些不安，所以支持
挑战权的代价必须提高的那些人赢得这场争论，例如教练不能挑战没有吹判的犯规，任何
想要扩展挑战权的规则都必须面对一场更长更大的抗争
Approving the proposed challenge rule for use in the 2019-20 regular-season
would require support from two-thirds of the league's teams in a formal vote
of the Board of Governors. The league will submit it to a vote before the
full board on July 9th. "Based on the feedback we have received, we expect it
to be adopted," the memo says.
要在19-20年实施挑战权必须超过2/3的队伍同意，联盟将会在7月9号投票，
"根据我们收到的回馈，我们期望这项规则会被采用"
大概翻一下，有翻得不好的地方尽管指教，明天有时间再修正