Tā de jìhuà fēicháng zhōuxiáng, kǎolǜ dào le měi yī gè xìjié.
His plan was very thorough, accounting for every detail.
Tips
usage
周详 emphasizes completeness and carefulness - 周 means 'all around' or 'encompassing', and 详 means 'detailed'. It's more formal than 仔细 and often appears in written or professional contexts.
