新鲜: fresh (experience, food etc), freshness, novel, uncommon...
染: to dye, to catch (a disease), to acquire (bad habits etc), to contaminate, to add color washes to a painting...
弹性: flexibility, elasticity...
没完没了: without end, incessantly, on and on...
义务: duty, obligation, volunteer (work etc)...
数目: amount, number...
理事: member of council...
格格不入: (idiom) inharmonious, incompatible...
低调: low pitch, quiet (voice), subdued, low-key, low-profile...
在线: online...