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取り付く， 取りつく， 取付く， とりつく
1. to cling to, to hold on to, to hold fast to
2. to grapple
3. to set about doing, to begin, to commence, to undertake
4. to possess (someone; of an evil spirit, idea, etc.), to take hold of, to haunt
5. to obtain a clue, to get a lead
tbd
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老人， ろうじん
1. old person, senior citizen, the aged, the elderly
老人
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调
