螺丝刀 luósīdāo screwdriver Definitions Defs Origin Strokes Stroke Words Sentences Sents 1 sentence 他用螺丝刀把螺丝拧紧了。 tā yòng luósīdāo bǎ luósī níngjǐn le. He tightened the screw with a screwdriver. Source: Dong Chinese Dictionary