troubling基本解释
adj.令人不安的;令人烦恼的
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adj.令人不安的;令人烦恼的
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"distressing (or disturbing) news"
"lived in heroic if something distressful isolation"
"a disturbing amount of crime"
"a revelation that was most perturbing"
"a new and troubling thought"
"in a particularly worrisome predicament"
"a worrying situation"
"a worrying time"