to press from either side / to place in between / to sandwich / to carry sth under armpit / wedged between / between / to intersperse / to mix / to mingle / clip / folder / Taiwan pr. [jia2]
board / plank / plate / shutter / table tennis bat / clappers (music) / CL:塊|块[kuai4] / accented beat in Chinese music / hard / stiff / to stop smiling or look serious