Chinese phrase
别插队！ bié chā duì
Meaning
Don't cut in line!
When to use it
It tells someone not to move ahead in a line. It is a common, firm reminder to wait for a turn.
Example dialogue
我也想玩滑梯！ wǒ yě xiǎng wán huá tī
I want to play on the slide too!
大家都在排队，别插队！ dà jiā dōu zài pái duì bié chā duì
Everyone is lining up, so don't cut in line!