嚴格來講

严格来讲
yángéláijiǎng
strictly speaking

CEDICT

Entry Composition

1 嚴格 yángé strict; stringent; tight; rigorous
2 來講 láijiǎng
  1. as to
  2. considering
  3. for

Related entries

嚴格來說 yángéláishuō strictly speaking
嚴格來說，地球不是圓的。

Strictly speaking, the earth is not round.

Source: Tatoeba