使然

tā zhī suǒ yǐ lí qù shì yóu yú dàng shí de chǔ jìng shǐ rán

他之所以离去，是由于当时的处境使然。

Circumstances dictated that he leave.

xìng gé shǐ rán tā jiù shì bù xǐ huan cān jiā jí tǐ huó dòng

性格使然，他就是不喜欢参加集体活动。

His nature means that he doesn't like group activities.

tā xǐ huan zuò tā de jiù zuò wèi zhǐ shì xí guàn shǐ rán

他喜欢坐他的旧座位，只是习惯使然。

He likes to sit in his old seat purely out of habit.

yóu yú tè quán hé xí guàn shǐ rán tā de kàn fǎ biàn de yuè lái yuè nán yǐ gǎi biàn

由于特权和习惯使然，她的看法变得越来越难以改变。

Her attitudes solidified through privilege and habit.