三: three刀: knife; sword双: two; twin; both; dual投: throw; fling; hurl; cast三刀双投开关: three pole double-throw switch; three-pole double-throw switch三刀双掷: triple-pole double throw单刀双投: single pole double throw; single pole double-throw; single-pole double throw单刀双投式: spdt双刀双投: double-pole double-throw三刀双掷开关: three-pole double throw switch; three-pole double-throw switch单刀双投开关: single pole double throw switch; single-pole double throw switch; singlepoledoublethrowswitch双刀双投开关: double-pole double-throw switch双刀双掷,双极双投: double-pole double-throw; dpdt三刀: flag fish; mito双投: double throw; double-throw三刀谷: mitoya三刀屋: mitoya双投的: double throw; double-throw冰刀双人组: blades of glory单刀双掷: single-pole double-throw; spdt双刀双掷: double pole double throw; dpdt double-pole double-throw两面三刀: play a double game; be a double-dealer; be double-faced; be two-faced; carry fire in one hand and water in the other; double cross; double-dealing; double-faced tactics; have two faces; say one thing and do another; use dual tactics 两面三刀的人终归不会有好下场。double-dealers will come to no good end三刀单投: triple pole single throw; triple-pole single throw三刀单掷: triple-pole single throw三刀割草机: triple mower; triplemower