?处境困难

... fix stopper固定塞子 in a fix处境困难 out of fix已损坏的 ...

?陷入困境

in a few words adv (succinctly) 简单说来，用几句话来概括，三言两语地说，简明地 in a fix 陷入困境 in a flash adv (very quickly, in an instant) 立刻，马上，一瞬间，一刹那，一下子 ..

?不上不下

不上不下 suspended in midair; be in a dilemma; in a fix; not know what to do ..