verb · distant or separated for a long time (usually of people or relationships)

两人疏阔多年，重逢时感慨万分。

adjective · inaccurate, vague, or poorly thought-out

这篇文章的论证过于疏阔，不够严谨。

adjective · broadly scattered or widely spaced

疏阔的林木随风摇曳。