Seal of Quality
... Protect the Tech 保护技师 Seal of Quality 密不透风 Clear Firing 完美射击 ...
bundled up tight
... bundled thatch 包茅 bundled up tight 密不透风; 密不透风 bundling 捆扎 ...
closed up tight
... 离析 isolation 密不透风 bundled up tight; wrapped up tight; closed up tight 名称解析 name resolution ...
wrapped up tight
久攻不下 to attack for a long time without success 密不透风 wrapped up tight 密不透风 bundled up tight; wrapped up tight; closed up tight ..
"密不透风"是个多义词,它可以指密不透风(汉语成语),密不透风(费克申著推理小说)。