to be the death of somebody
01
心配で寿命を縮める, 人を気苦労で参らせる
to cause extreme worry, distress, or discomfort for others
![to [be] the death of {sb} definition and meaning](https://cdn.langeek.co/photo/42588/original/?type=jpeg "to [be] the death of {sb} definition and meaning")
idiom
informal
例
That boy will be the death of me with all his reckless stunts.
あの子の無茶な行動には、心配でこっちの寿命が縮むよ。
02
to greatly upset, frustrate, or bring about harmful outcomes that can destroy or ruin a person or thing
idiom
informal
例
The constant financial mismanagement proved to be the death of their business, leading to its ultimate closure.
