Bàogào zhōngyú gǎodìng le, jīnwǎn kěyǐ hǎohǎo shuì yí jiào le.
The report is finally done, so tonight I can get a proper night's sleep.
Tips
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搞定 is casual. In formal writing use 完成 'to complete' or 解决 'to solve'. With a person as the object it means to win them over or get them on your side: 搞定客户 'to land a client'.