〈非正〉結伙 work together as a close group,(with or against sb), often in a bad sense
gang up
When those boys start ganging up, you can expect trouble.
那些孩子一結成伙,你就等著麻煩事吧。
A number of unruly youth ganged up and terrorized the district.
一些不法青年結成一伙,使這個地區充滿恐怖。
gang up against〔on〕 sb
She feels that everyone\\\'s ganging up against her.
她感到所有的人都結成伙來對付她。
A group of people ganged up against the man who beat his dog.
一群人聚集起來,制止那個人打他的狗。
The spokesman said that Australia,Canada and New Zealand would gang up against Britain\\\'s joining the Common Market.
發言人說,澳大利亞、加拿大和新西蘭會聯合反對英國加入共同市場。
That small nation is afraid that if she makes one false move the other countries may gang up on her.
那個小國擔心一旦行動有了差錯,別的國家可能會聯合起來制裁它。
The victim had no chance when four or five thugs ganged up on him.
當四五個暴徒聯合起來攻擊那個受害者時,他就沒有任何反抗的機會了。