B1 used to show movement into or on a particular place到…之上;向…之上;到,朝
More examples
There was a sudden flare when she threw the petrol onto the fire.
Leaves fluttered down onto the path.
The president has only held onto power because the opposition is so fragmented.
The waves frothed as they crashed onto the beach.
I've managed to offload some of our old furniture onto a friend who's just bought a house.
B2 used about changing to, or starting to talk about, a different subject(用于表示开始谈论另一话题)
to keep holding something抓住
knowing about someone or something that can be useful to you知道,了解,发现(能从中获益的人或事物)
knowing about something bad someone has done知道,发现(某人干了坏事)
UK If you are onto someone, you talk to that person, especially to ask them to do something, or to complain to them.跟…说(尤指要求某人做事或向其抱怨)
used about someone or something that is added to or joins a particular thing某人加入;某事物被添加
👨🏻🏫 Mr. Ng 劍橋詞典 📚 – cambridge.mister5️⃣.net
切換為繁體中文