Usage note
当成表示把某物看作或认为是。
dàng chéng biǎo shì bǎ mǒu wù kàn zuò huò rèn wéi shì。
当成 means to regard something as or consider it to be.
Context note
当成常用于理解、比喻和判断。
dàng chéng cháng yòng yú lǐ jiě 、 bǐ yù hé pàn duàn。
It is often used in understanding, metaphor, and judgment.
5 examples
我把他当成朋友。
wǒ bǎ tā dàng chéng péng yǒu。
I regard him as a friend.
别把玩笑当成真的。
bié bǎ wán xiào dàng chéng zhēn de。
Do not take the joke as real.
老师把这个问题当成重点。
lǎo shī bǎ zhè ge wèn tí dàng chéng zhòng diǎn。
The teacher treats this question as a key point.
他把这里当成家。
tā bǎ zhè lǐ dàng chéng jiā。
He regards this place as home.
请不要当成批评。
qǐng bú yào dàng chéng pī píng。
Please do not take it as criticism.
5 mini stories
孩子把小狗当成好朋友。
hái zi bǎ xiǎo gǒu dàng chéng hǎo péng yǒu。
The child regards the puppy as a good friend.
她把这次失败当成经验。
tā bǎ zhè cì shī bài dàng chéng jīng yàn。
She treats this failure as experience.
老师把每个学生当成独一无二的。
lǎo shī bǎ měi gè xué shēng dàng chéng dú yī wú èr de。
The teacher sees each student as unique.
他把这里当成第二个家。
tā bǎ zhè lǐ dàng chéng dì èr gè jiā。
He treats this place as a second home.
不要把提醒当成责怪。
bú yào bǎ tí xǐng dàng chéng zé guài。
Do not take a reminder as blame.
Mini dialogue
当成朋友
A
我把我的小狗当成最好的朋友。
Wǒ bǎ wǒ de xiǎo gǒu dàng chéng zuì hǎo de péngyou.
I regard my puppy as my best friend.
B
真好，我也把我的小猫当成家人。
Zhēn hǎo, wǒ yě bǎ wǒ de xiǎo māo dàng chéng jiārén.
That's nice, I also regard my kitten as family.
别当成真的
A
这个故事太感人了，我差点当成真事了。
Zhège gùshi tài gǎnrén le, wǒ chàdiǎn dàng chéng zhēn shì le.
This story is so touching, I almost regarded it as a real event.
B
是啊，但我们要分清故事和现实。
Shì a, dàn wǒmen yào fēn qīng gùshi hé xiànshí.
Yes, but we need to distinguish between stories and reality.
Related words and contrasts
similar
看作
kànzuò
to look upon as; to regard as
A common synonym for 当成
contrast
以为
yǐwéi
to believe; to think (mistakenly)
Often implies a mistaken assumption, while 当成 is neutral