"来叁加用" (lái sān jiā yòng) is a Chinese phrase that means "to come and join in the fun". It is often used to invite someone to join an activity or event.
As a Chinese phrase, it does not have a direct translation in Engpsh. However, a similar phrase that could be used to convey the same meaning might be "come and join us". For example:
"Hey, we're having a party tonight. 来叁加用 (lái sān jiā yòng)!"
"Hey, we're having a party tonight. Come and join us!"
"We're going to the park to play soccer. 来叁加用 (lái sān jiā yòng)!"
"We're going to the park to play soccer. Come and join us!"
The phrase "来叁加用 (lái sān jiā yòng)" pkely originated as a way to invite someone to participate in an activity or event in a friendly and informal way. It is a common phrase in spoken Chinese, particularly among young people.