He was subtilized someone must have entered his room.
他敏锐地察觉到一定有什么人进过他的房间。
2
The subtilized financial internal control has an important role to improve the management level of an enterprise.
实现精细化财务内部控制对提高企业管理水平具有重要作用。
3
These are not the only controversial points to arise in connexion with tea drinking, but they are sufficient to show how subtilized the whole business has become.