怪不得 (неудивительно)

React to a newly discovered explanation

• You notice cold weather and then learn that it rained.
• so it turns out原来yuán láirain下雨xià yǔ(completed / change)了le，no wonder怪不得guài bù déso这么zhè mecold冷lěng。 — The speaker treats the new information as explaining the cold.

Build the form

• The pattern in this lesson is no wonder怪不得guài bù dé (no wonder). Locate it in the original interlinear examples below.
• Keep the words in their demonstrated positions; the pattern must fit the intended situation as well as the sentence form.

so it turns out原来yuán láirain下雨xià yǔ了le，no wonder怪不得guài bù déso这么zhè mecold冷lěng。

Read examples in context

• In the opening example, so it turns out原来yuán láirain下雨xià yǔ(completed / change)了le，no wonder怪不得guài bù déso这么zhè mecold冷lěng。: The speaker treats the new information as explaining the cold.
• Explain who acts, what is described and which time or group is relevant before choosing an English paraphrase.

Know the boundary

• no wonder怪不得guài bù dé and (it's) no wonder (that...)难怪nán guài often overlap.
• The expression organises a reaction rather than supplying independent evidence for the cause.

Use the distinction

Read the full reference: HSK 5 grammar — Complex sentence patterns.