乘人之危: to take advantage of sb's precarious position...
观望: to wait and see, to watch from the sidelines, to look around, to survey...
分开: to separate, to part...
算了: let it be, let it pass, forget about it...
联网: network, cyber-...
着力: to put effort into sth, to try really hard...
别提了: say no more, don't bring it up, drop the subject...
噪声: noise...
后头: behind, the back, the rear, later, afterwards, (in) the future...
有害: destructive, harmful, damaging...
