而

自上而下

zì shàng ér xià

(idiom) from top to bottom; top-down

周而复始

zhōu ér fù shǐ

lit. the cycle comes back to the start (idiom); to move in circles

进而

jìn ér

and then (what follows next)

过而能改，善莫大焉

guò ér néng gǎi , shàn mò dà yān

If one can change after making a mistake, there is nothing better (idiom)

远道而来

yuǎn dào ér lái

to come from far away

适可而止

shì kě ér zhǐ

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

避而不

bì ér bù

to avoid (doing sth)

重足而立

chóng zú ér lì

rooted to the spot (idiom); too terrified to move

量力而为

liàng lì ér wéi

to weigh one's abilities and act accordingly

量力而行

liàng lì ér xíng

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

铤而走险

tǐng ér zǒu xiǎn

to take a risk out of desperation (idiom)

锲而不舍

qiè ér bù shě

to chip away at a task and not abandon it (idiom); to chisel away at sth