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厄介, やっかい
1. trouble, burden, nuisance, bother, worry
2. care, dependence, support, kindness, obligation, staying (with a person)
tbd
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ことがある, 事がある
1. (for something) to have occurred, to have done (something)
2. (for something) to happen on occasion
(某事)发生,已完成(某事);(某事)偶尔发生