tortuously
🇺🇸
/ˈtɔːrtʃuəsli/
🇬🇧
/ˈtɔːtʃuəsli/
in a very complicated and confusing way
He explained the rules tortuously, making it hard to follow.
彼はルールを複雑に説明し、理解しにくくしました。
with many twists and turns
The river flows tortuously through the valley.
川は谷を曲がりくねって流れています。