2 sentences

1. 大家对他的表现赞不绝口。

   dà​jiā duì tā de biǎo​xiàn zàn​bù​jué​kǒu.

   Everyone was full of praise for his performance.

   Source: Dong Chinese Dictionary

2. 大家对这个计划都很满意，尤其是老张，赞不绝口。

   dà​jiā duì zhè​ge jì​huà dōu hěn mǎn​yì, yóu​qí​shì lǎo Zhāng, zàn​bù​jué​kǒu.

   Everyone is very satisfied with the plan, especially Old Zhang, who has been full of praise.

   Source: Dong Chinese Dictionary