| 短语 | up to speed (on sth) |
| 释义 | up to ˈspeed (on sth)1(of a person, company, etc.人、公司等)performing at an expected rate or level（在某事上）达到应有的速度，达标the cost ofbringingthe chosen schoolsup to speed使选定的学校达标所需的费用2(of a person人)having the most recent and accurate information or knowledge了解最新情况；跟上形势Are you up to speed yet on the latest developments?你了解最新的进展情况吗？ |
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