be mere conjecture

• 纯属揣测

be mere conjecture的用法和样例：

例句

1. Such speculation may be ill-informed.
   这或许是不谙内情的揣测。
2. But he has been so harshly criticised by the impatiently earthbound that the point cannot be made strongly enough.
   ，但是在揣测之前是否要先考虑句子本身是否已经意思完整了呢？