The analyst warned that the sales forecast was based largely on conjecture, not hard data.

分析師提醒，這份銷售預測大多是基於推測，而非確切數據。

Rumors of a merger remain pure conjecture until management makes an official announcement.

在管理階層正式宣布之前，合併的傳聞仍純屬臆測。

The delay in shipping led to conjecture among clients about the supplier's financial problems.

出貨延遲讓客戶們紛紛臆測供應商出現了財務問題。