qián miàn
亭子前面有一棵松树
tíng zi qián miàn yǒu yī kē sōng shù.
There is a pine tree in front of the pavilion.
前面陈列的都是新式农具。
qián miàn chén liè de dōu shì xīn shì nóng jù.
What is displayed in front are all new-style agricultural tools.
这个道理，前面已经讲得很详细了。
zhè ge dào lǐ, qián miàn yǐ jīng jiǎng de hěn xiáng xì le.
This principle has already been explained in detail earlier.