3 sentences

1. 这个计划非常周全。

   zhè​gè jì​huà fēi​cháng zhōu​quán.

   This plan is very comprehensive.

   Source: Dong Chinese Dictionary

2. 他的考虑非常周全，没有遗漏任何细节。

   tā de kǎo​lǜ fēi​cháng zhōu​quán, méi​yǒu yí​lòu rèn​hé xì​jié.

   His consideration was very thorough, leaving out no details.

   Source: Dong Chinese Dictionary

3. 请您在中间多加周全，促成这桩婚事。

   qǐng nín zài zhōng​jiān duō​jiā zhōu​quán, cù​chéng zhè zhuāng hūn​shì.

   Please help mediate to see this marriage through.

   Source: Dong Chinese Dictionary