- Weary mind had switched itself off .
- My life had switched onto the wrong track .
- Switch on the light at the wall-socket .
- I switch off when he starts talking about cars .
- Please switch off the lights when you leave .
- the act of changing one thing or position for another; "his switch on abortion cost him the election"
- a basketball maneuver; two defensive players shift assignments so that each guards the player usually guarded by the other
- a flexible implement used as an instrument of punishment
- control consisting of a mechanical or electrical or electronic device for making or breaking or changing the connections in a circuit
同义词：electric switch, electrical switch
- railroad track having two movable rails and necessary connections; used to turn a train from one track to another or to store rolling stock
- hairpiece consisting of a tress of false hair; used by women to give shape to a coiffure
- an event in which one thing is substituted for another; "the replacement of lost blood by a transfusion of donor blood"
同义词：substitution, permutation, transposition, replacement
- reverse (a direction, attitude, or course of action)
同义词：interchange, tack, alternate, flip, flip-flop
- change over, change around, as to a new order or sequence
同义词：switch over, exchange
- make a shift in or exchange of; "First Joe led; then we switched"
同义词：change over, shift
- lay aside, abandon, or leave for another; "switch to a different brand of beer"; "She switched psychiatrists"; "The car changed lanes"
- flog with or as if with a flexible rod
- cause to go on or to be engaged or set in operation; "switch on the light"; "throw the lever"
- exchange or give (something) in exchange for
同义词：trade, swap, swop
In electrical engineering, a switch is an electrical component that can break an electrical circuit, interrupting the current or diverting it from one conductor to another.