swear off; switch off; switch on; switch over to

swear off +
發誓不做,保證放棄,下決心戒除
After years of addiction, Paul swore off drugs completely. (上癮幾年後,保羅發誓徹底戒毒)
Cindy swore off alcohol after getting drunk at her friend's wedding. (辛蒂在她朋友的婚禮上喝醉後下定決心戒酒)

switch * off +
關閉 (開關)
John switched off the lights, locked the door and left. (約翰關燈、鎖門後離開)

switch off
不再關注,不再理睬
If Peter gets bored, he just switches off and looks out the window. (彼得覺得無聊時,就心不在焉地朝窗外看)

switch * on +
打開 (開關)
He switched on the lights when he entered the room. (他進入房間後打開電燈)

switch * on +
(通常不是發自內心地) 突然變得,突然裝出
When a customer walks in, Mary switches on the charm. (一有顧客走進來,瑪麗就馬上裝出一副親切可人的樣子)

switch over to +
轉換跑道;切換頻道,轉台
He played baseball for ten years before switching over to teaching. (他打了 10 年的棒球後轉換跑道去教書)
Shall we switch over to Channel 55? (我們轉到 55 台好嗎?)

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