然

ǒu rán

偶然

accidental

hū rán

忽然

suddenly

xiǎn rán

显然

obviously

bù jìn rán

不尽然

not exactly so

bù rán

不然

not so

wèi bì rán

未必然

not necessarily so

cǐ shì suī xiǎo rán yì bù kě hū shì

此事虽小然亦不可忽视。

This is a minor point, but it must not be overlooked.

rán ér

然而

however

tā yǐ nián lǎo rán jì yì lì hái hǎo

他已年老，然记忆力还好。

He is aged, but his memory is still good.

rán fǒu

然否？

Is that correct?