后顾之忧

hòu gù zhī yōu

fears of trouble in the rear (idiom); family worries (obstructing freedom of action), worries about the future consequences, often in negative expressions, meaning "no worries about anything"

我很忧伤。

wǒ hěn yōu shāng。

I am sad.

谁来照顾猫

shéi lái zhào gù māo

who is going to take care of the cat?

明天上午我先去超市，之后再去银行

míng tiān shàng wǔ wǒ xiān qù chāo shì， zhī hòu zài qù yín háng

Tomorrow morning I will go to the supermarket first and then to the bank

朋友之间

péng you zhī jiān

Between friends

顾客点一杯茶。

gù kè diǎn yī bēi chá。

A customer orders a cup of tea.

他们的处境令人担忧。

tā men de chǔ jìng lìng rén dān yōu。

Their situation is worrying.

妈妈整晚照顾我。

mā ma zhěng wǎn zhào gu wǒ。

Mom takes care of me all night.

下课后

xià kè hòu

After class

墙后面

qiáng hòu miàn

Behind the wall

放学后

fàng xué hòu

After school.