touching or covering a surface
The book is on the table.
书在桌子上。
held up by something
Hang your coat on the hook.
把你的外套挂在钩子上。
using a type of transport
We traveled on the bus.
我们乘坐巴士旅行。
using something
We talked on the phone.
我们在电话上交谈。
during a day or date
We meet on Fridays.
我们在星期五见面。
in a certain state
The TV is on now.
电视现在开着。
toward something
He smiled on seeing her.
他一见到她就笑了。
at or near a place
Our house is on Main Street.
我们的房子在主街上。
because of something
I acted on his suggestion.
我根据他的建议行动了。
right after something
Call me on your return.
你回来时打电话给我。
about a topic
We had a test on grammar.
我们进行了一次语法测试。
supporting a group
Which team are you on?
你支持哪个队?
eating or using regularly
He lives on fast food.
他靠快餐生活。
paid by someone
Dinner is on me tonight.
今晚晚餐我请客。
using a phone number
Call me on this number.
打这个号码给我。
affecting someone
Go easy on the salt.
少放点盐。
carrying with you
Do you have money on you?
你身上带钱了吗?
compared to something
Profits are up on last year.
利润比去年增加了。
wearing something
What shoes do you have on?
你穿着什么鞋?
covering something
Put the lid on tightly.
把盖子盖紧。
into a vehicle
Get on the bus quickly.
快上巴士。
working or operating
Turn the light on.
把灯打开。
moving forward
Keep walking on.
继续往前走。
continuing
The show goes on.
演出继续进行。
happening now
The concert is on now.
音乐会现在正在进行。
planned to happen
The meeting is still on.
会议仍然照常举行。
working or on duty
The doctor is on today.
医生今天值班。