“提出诉讼”常见的英文表达是 “file a lawsuit” 或 “initiate a lawsuit” 。
file a lawsuit：强调将诉讼文件正式提交给法院这一动作。例如：He decided to file a lawsuit against the company for breach of contract.（他决定针对该公司违反合同的行为提起诉讼。 ）
initiate a lawsuit：更侧重于开始、发起诉讼这个行为。例如：The victim's family decided to initiate a lawsuit to seek justice.（受害者家属决定发起诉讼以寻求正义 。）