277 Adverbs, degree (very high and up) 程度副词 (chéngdù fùcí)

closely, firmly

13 紧紧 [緊緊] jǐnjǐn (tensely-reduplication) closely, firmly: ~抓住 firmly grasp || ~拥抱 (yōngbào) firmly hug || ~贴在一起 stick together '

---