静止: still, immobile, static, stationary...
不怎么: not very, not particularly...
关机: to turn off (a machine or device), to finish shooting a film...
头头是道: clear and logical...
腔: cavity of body, barrel (e.g. engine cylinder), compartment, tune, accent of speech...
独身: unmarried, single...
倍: (two, three etc) -fold, times (multiplier), double, to increase or multiply...
为此: for this reason, with regards to this, in this respect, in order to do this, to this end...
考场: exam room...
炸药: explosive (material)...
