原因

He didn't come for a variety of reasons.

他种种没来。

Carelessness is the cause of his failure.

粗心是他失败。

They postponed leaving because of the weather.

他们天气而延期离开。

He was determined to track down the cause of food spoilage.

他决心查出食品腐烂。

The delay is partly explicable by the road works.

延误部份是道路施工。

The lodicule expansion was not the only reason for flowering.

浆片膨大不是开颖唯一。

What caused the price of irons to slump?

格暴跌是什么?

That's the reason why I wrote to him.

那就是我写信给他。

All effects are dependent on their causes.

一结果都基于它们。

I don't know the cause of his abrupt leave.

我不知道他突然离去。

The causes of social distress include inadequate housing.

造成社会困境包括住房不足。

The congratulatory message was designed for political effect.

发出这份贺电是出于政治方面。

The accident happened chiefly because you were careless.

发生事故主要是你不小心。

She was quite explicit about why she left.

她对自己离去直言不讳。

He was forced to leave his homeland for political reasons.

为政治他被迫离开自己祖国。

The teacher diagnosed the boy's reading difficulties.

老师找出那孩子阅读上困难。

Many theories purport to explain growth in terms of a single cause.

许多理论都标榜以单一解释生长。

I now lean towards sabotage as the cause of the crash.

我现在倾向于认为坠机是蓄意破坏。

The teacher tried to analyse the cause of our failure.

教师设法仔细分析我们失败。

Arguments within the party played a part in the downfall of the government.

党派内部纷争是政府垮台之一。