AnalyzerSentence analysis2SpansSentenceアキレス腱固め1000 character limitAnalyzeSentenceアキレス腱けん固がためSpan Detailsアキレス腱けんAchilles tendon; calcaneal tendon; Achilles' heel; weak pointnoun固がためhardening; fortifying; making firm; pledge; vow; firm promise; defense; guarding; tightening securitynoun固めかためsomewhat hard; on the firm side