passing safely; passing without incident
Used when something passes an inspection, exam, checkpoint, or similar hurdle without any trouble.
We passed through customs without any problems.
The product passed the quality inspection successfully.
合格 is specifically for passing a test or meeting a standard, while 無事通過 emphasizes the safe, trouble-free nature of the passage.
Compound of 無事 (safety, without incident) and 通過 (passing through).