1. flick on (通过轻按)咯哒地一声打开(开关等)
eg When you walk into this room, lights will flick on automatically.
你一走进这房间,灯就会自动亮起。
2. spy on 暗中监视;侦查
eg "An officer cannot use our product to spy on his wife, for example," Mr. Valleri said.
瓦利瑞解释说:例如,一个政府官员不能用我们的产品暗中监视他的妻子。
3. let it go 任它去,放下
eg But I knew what she needed most, so I let it go.
但是我知道她最需要什么,所以我也就随它去了。