Usage note
放心表示不用担心，安心。
fàng xīn biǎo shì bú yòng dān xīn， ān xīn。
放心 means not worrying, being at ease.
Context note
放心常出现在安慰、保证和请求别人安心时。
fàng xīn cháng chū xiàn zài ān wèi 、 bǎo zhèng hé qǐng qiú bié rén ān xīn shí。
放心 often appears when comforting others, making promises, and asking someone to relax.
5 examples
你放心吧。
nǐ fàng xīn ba。
Don't worry.
妈妈让我放心。
mā ma ràng wǒ fàng xīn。
Mom asked me not to worry.
请放心，我会回来。
qǐng fàng xīn， wǒ huì huí lái。
Please rest assured, I will come back.
老师说大家可以放心。
lǎo shī shuō dà jiā kě yǐ fàng xīn。
The teacher said everyone can relax.
这样做你就放心了。
zhè yàng zuò nǐ jiù fàng xīn le。
Doing this will make you feel at ease.
5 mini stories
妈妈说她会来接我，我就放心了。
mā ma shuō tā huì lái jiē wǒ， wǒ jiù fàng xīn le。
Mom said she would come pick me up, and I felt relieved.
老师让我们放心，他会帮我们。
lǎo shī ràng wǒ men fàng xīn， tā huì bāng wǒ men。
The teacher told us not to worry; he would help us.
我把作业写好以后，心里就很放心。
wǒ bǎ zuò yè xiě hǎo yǐ hòu， xīn lǐ jiù hěn fàng xīn。
After I finished my homework, I felt at ease.
你放心吧，门已经关好了。
nǐ fàng xīn ba， mén yǐ jīng guān hǎo le。
Don't worry, the door is already closed.
看到小狗吃得很好，大家都放心了。
kàn dào xiǎo gǒu chī dé hěn hǎo， dà jiā dōu fàng xīn le。
Seeing the puppy eat well, everyone felt reassured.
Mini dialogue
到家了
A
妈妈，我到家了，你放心吧。
Māma, wǒ dào jiā le, nǐ fàngxīn ba.
Mom, I'm home. You can rest assured.
B
好的，你到家我就放心了。
Hǎo de, nǐ dào jiā wǒ jiù fàngxīn le.
Okay, I'm relieved now that you're home.
考试后
A
这次考试我觉得考得不错，你放心吧。
Zhè cì kǎoshì wǒ juéde kǎo de bùcuò, nǐ fàngxīn ba.
I think I did well on this exam, you can rest assured.
B
听到你这么说，我就放心了。
Tīng dào nǐ zhème shuō, wǒ jiù fàngxīn le.
Hearing you say that, I'm relieved.
Related words and contrasts
similar
安心
ānxīn
feel at ease
Both mean feeling calm and not worried.
opposite
担心
dānxīn
worry
放心 means to stop worrying; 担心 means to feel worried.