A tricycle is a cycle with three wheels — usually one at the front and two at the back — that does not fall over when it stands still. Most often it means a small one for a young child who is not ready for a bicycle, and in everyday speech, especially with children, people shorten it to trike.

A tricycle is a cycle with three wheelstricycle 是一種三輪的車 usually one at the front and two at the back通常前面一輪、後面兩輪 that does not fall over when it stands still靜止不動時也不會倒。Most often it means a small one for a young child who is not ready for a bicycle最常見的意思是給還不會騎腳踏車的小小孩用的小三輪車 and in everyday speech, especially with children在日常口語裡，尤其是跟小孩講話時 people shorten it to trike大家會簡稱它 trike。

But it is not only a children's word.

But it is not only a children's word不過這不只是小孩子用的字。

There are adult tricycles for older people who want a steadier ride, delivery tricycles with a big box in front, and in many Asian countries motorised three-wheelers used as taxis are called tricycles in English.

There are adult tricycles for older people who want a steadier ride有給想騎得更穩的長者用的成人三輪車 delivery tricycles with a big box in front前面有大箱子的送貨三輪車 and in many Asian countries motorised three-wheelers used as taxis are called tricycles in English在許多亞洲國家，當計程車用的機動三輪車在英文裡也叫 tricycle。

There is also a verb, to tricycle, meaning to ride one, but it sounds odd and almost nobody uses it — say 'ride a tricycle' instead.

There is also a verb, to tricycle也有動詞用法 to tricycle meaning to ride one意思是騎三輪車 but it sounds odd and almost nobody uses it但聽起來很怪，幾乎沒人這樣用 say 'ride a tricycle' instead改說「ride a tricycle」就好。