up a gum-tree的用法和樣例：
例句
- I simply can't get along without a secretary.
我沒(méi)有秘書(shū)簡(jiǎn)直一籌莫展。 - He was tearing his hair over a pile of bills.
面對一大堆賬單，他一籌莫展。 - He found himself in a cleft stick.
他感到進(jìn)退兩難。 - This presented us with a dilemma.
這使我們感到進(jìn)退兩難。 - They have forced him into a corner.
他們迫使他陷入困境。 - Because I lost my money I was in a jam.
我因為丟了錢(qián)而陷入困境。
