而

反而

fǎn ér

on the contrary; instead

自然而然

zì rán ér rán

involuntary

悬而未决

xuán ér wèi jué

(idiom) pending a decision; hanging in the balance

不得而知

bù dé ér zhī

unknown

平心而论

píng xīn ér lùn

(idiom) in all fairness; objectively speaking

背道而驰

bèi dào ér chí

to run in the opposite direction (idiom); to run counter to

无功而返

wú gōng ér fǎn

to return without any achievement (idiom); to go home with one's tail between one's legs

铤而走险

tǐng ér zǒu xiǎn

to take a risk out of desperation (idiom)

量力而行

liàng lì ér xíng

to assess one's capabilities and act accordingly (idiom); to act within one's competence

不翼而飞

bù yì ér fēi

to disappear without trace

戛然而止

jiá rán ér zhǐ

with a grunting sound it stops (idiom); to come to an end spontaneously (esp. of sound)

适可而止

shì kě ér zhǐ

(idiom) to refrain from going too far; to know when to stop