[ shuāngguǎnqíxià ] paint a picture with two brushes at the same time -- work along both lines; do two things at the same time; do both things simultaneously; do both things at one and the same time; do two things at the same time in order to achieve one's aim; work both ways; (bring pressure to bear upon sb.) by means of...and...; pincer(s) drive; used at one and the same time; double-barreled