AnalyzerSentence analysis4SpansSentence徹底的に研究する1000 character limitAnalyzeSentence徹てっ底てい的てきに研けん究きゅうするSpan Details徹てっ底てい的てきthorough; exhaustive; completena-adjectiveにadverbial form after an adjectival suffixgrammar研けん究きゅうresearch; study; investigationnoun, suru verbするlight/support verb with a noun or noun-like phrasegrammar