旁敲侧击: attack by innuendo; approach a subject without coming straight to the point; beat about [around] the bush; by means of devious questioning; by-stroke; fool round the stump; in a roundabout
拐弯抹角: equivocate; a roundabout way of talking; beat about the bush; evasive; go beating about [around] the bush; speak indirectly; turn a corner here and there; talk about things without giving