1
pop off (to sleep)
非正式用法，指快速入睡。
He popped off to sleep right after dinner.
他晚饭后很快就睡着了。
睡着
先理解核心含义，再看它在真实句子里的用法。
睡着
to fall asleep
He popped off to sleep right after dinner.
他晚饭后很快就睡着了。
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可生成：动词变形 Verb forms。只有点击后才会开始生成。
发射或发射(射击、弹丸或导弹),尤其是单发或小批量
To fire or launch (a shot, projectile, or missile), especially singly or in small bursts.
迅速推开或推迟
To thrust away, or put off promptly.
My great-grandfather popped off in his sleep at the age of 98.
我的曾祖父在98岁时在睡梦中突然去世了。
The mouse popped off after eating the poisoned cheese.
老鼠吃了有毒的奶酪后突然死了。
Don't worry, I'm not going to pop off anytime soon.
别担心，我不会很快死掉的。
非正式用法，指快速入睡。
He popped off to sleep right after dinner.
他晚饭后很快就睡着了。
非正式、委婉说法，指突然或不经意地死去。
The old man popped off peacefully in his sleep.
老人安详地在睡梦中去世了。
Not this
He popped off his enemy during the battle.
Use this
His enemy popped off during the battle.
pop off 作“突然死去”解时是不及物动词短语，不能直接跟宾语；正确用法是主语直接 pop off。
Not this
I am popping off in the living room.
Use this
I popped off in the living room.
pop off 表示“睡着”时通常用于一般过去时或一般现在时，表示瞬间动作，不用于进行时。
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phrasal verb
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.