1. for no reason at all 無緣無故地
例句：There is absolutely no such thing as love or hatred without any reason or cause.
世上沒有無緣無故的愛，也沒有無緣無故的恨。

2.blood relationship 血緣
例句：After all, we are sisters, have a blood relationship, even if we do not close, can not erase our relationship.
我們畢竟是姐妹，有著血緣關系，就算我們不親，也無法抹滅我們之間的關系。

3. tie the nuptial knot 喜結良緣
例句：Under French law , couples must tie the knot before a mayor to make their union official .
根據法國法律，新人舉行婚禮必須有市長見證，才可正式結為合法夫妻。

4.Fate brings together people who are far apart.
有緣終相逢。

5. A good marriage arranged in Heaven
天賜良緣。

6.I can’t tell the true shape of Lu Shan ,because I myself am on the mountain.
不識廬山真面目，只緣身在此山中。

7.Two beings destined to marry each other, though thousands of miles apart, are tied together with an invisible red thread by an old man under the moonlight.
千里姻緣一線牽。

8.As decreed by providence you have met him; otherwise you might have failed although you traveled a long way.
有緣千里來相會，無緣對面不相逢。

9.It is a pity that we have no opportunity to meet each other.
真遺憾,我們一直無緣相見。

10. As luck would have it, I found a job.
機緣湊巧，我找到一份工作。

11.They are attracted to each other but are not fated to be conjugally tied.
他們倆有情無緣。

12. Smoking and drinking don’t appeal to me.
我與煙酒無緣。

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