Meaning of tǎn:
坦
flat; open-hearted; level; smooth
Zhège dìqū de tǔdì fēicháng tǎn, shìhé nóngyè gēngzuò.
这个地区的土地非常坦,适合农业耕作。
The land in this area is very flat, suitable for agricultural farming.
Tā hěn tǎn shuài de biǎo dá le zì jǐ de yì jiàn.
他很坦率地表达了自己的意见。
He very open-heartedly expressed his own opinion.
Zhè tiáo dàolù fēicháng píng tǎn, fēicháng shìhé qí zìxíngchē.
这条道路非常平坦,非常适合骑自行车。
This road is very level, making it perfect for cycling.
Zhè tiáo lù xiū de hěn tǎn, kāichē hěn shūfú.
这条路修得很坦,开车很舒服。
This road is paved very smooth, driving is very comfortable.