in.ac.tive In5Ak7tIv adj doing nothing 不活动的，不活跃的 It's bad for your health to be physically inactive. 不进行体育活动对你的健康不利。 The property market remains largely inactive, but activity could be increased by a reduction in interest rates. 房地产市场仍很不活跃，但降低利率可能增加其活跃性。