of one's existence
种 niè zhǒng
word "bane" means a source of irritation and/or annoyance.
Thus, the phrase "bane of one's existence" can be equated
with the source
of pain 疼痛的来源 téng
tòng de lái yuán
in one's life.
An example of how this phrase is used is as follows:
"The Aedes mosquitoes are a bane of our existence."
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