trip over/on sth
trip over 和 trip on 意思相同，宾语是绊住脚的那个东西，常用于走路时脚步被绊住的场景。
He tripped over the curb and dropped his phone.
他被路缘石绊了一下，手机掉在了地上。
绊倒；失脚
tripped — past of trip
把…绊倒；使…跌倒；触发；启动；跳闸；自动断开；产生幻觉；（吸毒后）迷幻；犯错；失足；过失
To stumble or fall because your foot hits an object while walking or running.
因脚绊到物体而跌倒或绊倒
To fall over or stumble over an object as a result of striking it with one's foot
使人或动物跌倒或绊倒
To cause (a person or animal) to fall or stumble by knocking their feet from under them.
犯错误或过失；违反道德、礼仪等
To be guilty of a misstep or mistake; to commit an offence against morality, propriety, etc
激活或启动,如激活陷阱、爆炸物或开关
To activate or set in motion, as in the activation of a trap, explosive, or switch.
被激活,如通过信号或事件
To be activated, as by a signal or an event
电路因过载或短路而跳闸
Of an electrical circuit, to trip out (through overload, a short circuit).
因服用致幻药物而产生幻觉或恍惚状态
To experience a state of reverie or to hallucinate, due to consuming psychoactive drugs.
旅行,进行一次旅行
To journey, to make a trip.
通过缆绳或浮标绳将锚从底部拉起,使其悬挂
To raise (an anchor) from the bottom, by its cable or buoy rope, so that it hangs free.
将帆桁拉成垂直位置以便放下
To pull (a yard) into a perpendicular position for lowering it.
一般现在时
He trips over the rug.
他在地毯上绊倒了。
一般过去时
She tripped on the stairs.
她在楼梯上绊倒了。
现在进行时
They are tripping over rocks.
他们正被岩石绊倒。
I tripped on the uneven pavement and nearly dropped my coffee.
我被不平的人行道绊了一下，差点把咖啡掉了。
用法提示：这里 trip 是不及物动词，表示“绊倒、失脚”，后接 on 引出绊倒的原因。
Be careful not to trip over the dog's leash in the hallway.
小心别在走廊里被狗的牵绳绊倒。
用法提示：trip over 表示“被……绊到”，主语是人。
She tripped going up the stairs because her shoelace was loose.
她上楼梯时绊了一下，因为鞋带松了。
用法提示：trip 在此处描述走路时意外失足，不需接宾语。
trip over 和 trip on 意思相同，宾语是绊住脚的那个东西，常用于走路时脚步被绊住的场景。
He tripped over the curb and dropped his phone.
他被路缘石绊了一下，手机掉在了地上。
trip sb up 中的 up 可以省略，也可放在宾语之后，但说 trip up sb 不自然。
The defender stuck out a leg and tripped him up.
防守队员伸腿把他绊倒了。
这个义项多用于警报、开关、传感器、电路等，被动语态很常见。
A single spark tripped the fire alarm.
一个火花就触发了火灾警报器。
与 trip 在这层意思上最接近，常可互换；但 stumble 也常用于比喻“犯错误”，需根据语境判断。
tumble 语气更强，常指摔倒后翻滚或完全倒地；trip 只强调脚被绊到而失去平衡，不一定滚倒。
fall 泛指“摔倒”，不说明原因；要明确表示“被某物绊到”时，用 trip 或 stumble 更准确。
grammar · medium
易错句子I tripped the stone and fell down.
正确表达I tripped over the stone and fell down.
trip 表示“自己绊倒”时是不及物动词，后面不能直接跟绊到的东西作宾语；绊到的物体要用介词 over 或 on 引出，构成 trip over/on sth。这里把汉语“绊倒了石头”的动宾结构直接搬进英语，就错把不及物动词当及物动词用了。
grammar · medium
易错句子He tripped by a tree root and hurt his knee.
正确表达He tripped over a tree root and hurt his knee.
汉语说“被树根绊倒”，但英语的 by 只用在被动结构里引出动作的施事者（如 was tripped by someone“被人绊倒”）；表示绊倒时碰到的障碍物，要用 over 或 on 引导。
grammar · medium
易错句子The child triped on the toy and started crying.
正确表达The child tripped on the toy and started crying.
trip 是“辅音字母+元音字母+辅音字母”结尾的重读闭音节，过去式和过去分词要先双写末尾的 p 再加 -ed，写作 tripped；triped 违反了双写规则，是不存在的拼写。
与 trip（激活、启动）相对，指使设备或系统停止运作，如使警报不响。
与 trip（使陷阱或爆炸物被触发）相对，指移除引爆装置，使其无法触发。
与 trip（电路跳闸）相对，指使断路器重新闭合，恢复供电。
被…绊倒
She tripped over the rug and nearly fell.
她被地毯绊了一下，差点摔倒。
犯错；失误
He tripped up on the last question in the quiz.
他在测验的最后一道题上出了错。
使开关跳闸
The storm tripped the switch, cutting power to the whole building.
暴风雨使开关跳闸，整栋楼都断电了。
触发绊线
The intruder tripped a wire and the security lights came on.
闯入者触发了绊线，安防灯亮了起来。
服用迷幻药后产生幻觉
He was tripping on acid and couldn't tell what was real.
他因服用迷幻药而产生幻觉，分不清真假。
犯错误；使出错
The tricky question tripped up many students.
那道棘手的问题难倒了许多学生。
（尤指服用致幻药物后）产生幻觉；进入迷幻状态
After taking the substance, he started tripping out and seeing colors.
服用那种药物后，他开始产生幻觉，看到了各种颜色。
（诙谐语）跳舞；轻快地跳舞
Let's trip the light fantastic at the party tonight.
今晚我们在派对上尽情跳舞吧。
Choose the next layer that will help you use tripped with more confidence.
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Preparing Confusing words
Complete this area with confusing words.
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.
触发警报
A bird tripped the alarm when it flew into the sensor.
一只鸟飞进传感器，触发了警报。