第8期给大家介绍 HOLD (2) & HANG 系列：
hold the line (maintain the existing position or state)
hold up (delay; present as an example; cope with)
hold water (watertight; stand up to critical examination)
hang around (loiter, dawdle)
hang back (lag; hold back)
hang on (persevere; keep a line connection open; cling tightly to)
hang together (stand united, stick together)
hang up (to end a telephone conversation; suspend on a hanger)
请大家写下中文解释^_^
参与论坛Basic Phrases Come：第8期 HOLD (2) & HANG 系列>>>
