HSK 4
Tā de rénshēng dàolù bìngbù píngtǎn.
His life path has not been smooth.
HSK 4
Qiánmiàn de lù gèngjiā píngtǎn le.
The road ahead is even flatter.
HSK 5
Xīn xiū de gōnglù yòu kuān yòu píngtǎn, kāichē fēicháng shūfu.
The newly built highway is wide and flat, making driving very comfortable.
