expression
two ill-matched things; two poorly balanced things
Idiomatic expression comparing a paper lantern and a temple bell to describe two things that are completely mismatched in size, weight, or nature. Rare and somewhat literary.
あの二人の結婚は提灯に釣鐘のようなものだ。
Their marriage is like a paper lantern and a temple bell—completely mismatched.
彼の提案と実際の予算は提灯に釣鐘で、話にならない。
His proposal and the actual budget are as ill-matched as a paper lantern and a temple bell; it's hopeless.