A咖

a kā

class "A"; top grade

A货

a huò

good-quality fake

深

shēn

deep (lit. and fig.)

一丁点

yī dīng diǎn

a tiny bit

一不小心

yī bù xiǎo xīn

to be a little bit careless...

一丢丢

yī dīu dīu

(coll.) a tiny bit

一事无成

yī shì wú chéng

(idiom) to have achieved no...

一五一十

yī wǔ yī shí

lit. count by fives and ten...

一来二去

yī lái èr qù

gradually

一个劲

yī gè jìn

continuously

一个劲儿

yī gè jìn r

erhua variant of 一個勁|一个劲[yi...

一个接一个

yī ge jiē yī ge

one by one; one after another