我跟在后面看著你們大伙兒玩。
If you're going to the park, do you mind if I tag along?

如果你到公園去,我跟你一起去你介意嗎?
We didn't invite him to go with us but he tagged along anyway.

我們沒有邀請他和我們一塊兒去,但他還是跟來了。
Tag along with us if you like.

你愿意的話就跟我們一起走吧。
The little child always tags along with her mother.

那個小孩總是緊隨在媽媽身后。
The baby elephant was tagging along behind its mother.

小象一直緊跟在母象的后面。

他緊緊跟在后面。 tag oneself on to sb
During the interval, a young fellow tagged himself on to the actress, and she couldn't get rid of him for the rest of the evening.

幕間休息時,一個小伙子硬纏住了那位女演員,此后她整個晚上都沒能甩掉他。 tag on to sb
The child always tags on to his elder brother.

這個孩子總是跟隨著他哥哥。
Don't tag on to us all the time.

別老纏著我們。 tag sth on to sth
The poem he tagged on to his speech seemed a bit forced.

他附加在演說后的那首詩似乎有點勉強。 tag sth ? on
He decided to tag on an extra paragraph at the end summarizing what he'd said.

他決定在結束部分再增加一段文字,總結一下他說話的內容。