often grasp unremittingly

• 常抓不懈

often grasp unremittingly的用法和样例：

例句

1. Maintenance is a safeguard to protect the owners and occupiers of the normal work of the foundation, we always attach importance to this work unremittingly.
   搞好维修维护是保障业主和使用人正常工作的基础，我们自始至终重视此项工作，常抓不懈。