困窘 covers two adjacent meanings: emotional embarrassment / awkwardness (paralleling 尴尬 gāngà) AND material hardship / being stuck (paralleling 困境 kùnjìng). Context disambiguates.
memory
困 (trapped, like a tree 木 in an enclosure 囗) + 窘 (embarrassed, with 穴 cave on top — squeezed in a tight spot). Together: trapped in an embarrassing tight spot.