nthBrE/enθ/NAmE/enθ/adjective[only before noun] (informal) usedwhenyouarestatingthatsthisthelastinalongseriesandemphasizinghowoftensthhashappened(某事已发生多次,并强调其频繁性)第 n 个的,第 n 次的◆It'sthenthtimeI'veexplainedittoyou. 这件事我已经向你解释过无数遍了。●tothenthˈdegreeextremely; toanextremedegree极端地;非常地;极大程度上