be on the case idiom informal
正在做需要做的事情，正在处理
to be doing what needs to be done in a particular situation
"We need to book a flight before it's too late." "Don't worry, I'm on the case." “我们需要及早预订好航班。”“别担心，我正在办理这件事。”
| 单词 | be on the case |
| 释义 | be on the case idiom informal 正在做需要做的事情，正在处理 to be doing what needs to be done in a particular situation "We need to book a flight before it's too late." "Don't worry, I'm on the case." “我们需要及早预订好航班。”“别担心，我正在办理这件事。” |
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