Tattered and worn, she looked heartbreakingly miserable.

她衣衫褴褛，看起来悲惨得令人心碎。

金山词霸

At the start the work seemed complex, difficult, heartbreakingly slow.

开始时这件工作似乎十分复杂困难, 而且慢得令人伤心.

辞典例句

So it can be a heartbreakingly unexciting business at times.

这经常是使人心碎的无聊的事情.

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