AnalyzerSentence analysis7SpansSentence彼はせいぜい50歳くらいだ。1000 character limitAnalyzeSentence彼かれはせいぜい50歳さいくらいだ。Span Details彼かれhe; him; boyfriendpronounはtopic markergrammarせいぜいat most; at best; only; as much as possible; to the utmost-> 精々adverb50ごじゅっfifty; 50-> 50numeric歳さい... years old; age (of) ...counterくらいabout; approximately; to the extentgrammarだ。-auxiliary