gum up

1. 搞糟; 搞乱

Don't gum up the work by telling Mother what we are going to do.

别告诉母亲我们要干的事, 那会把事情搞糟的。

up a gum tree

1. 进退维谷

He went away with all my clothes packed in his own bags, so I was left really up a gum tree!

他把我所有的衣服都塞进包里带走了, 这下我可是进退维谷了。