Word: 立案 (lìàn) 立案 dictionary entry lìàn to register (to an official organism); to file a case (for investigation) Full dictionary entry for 立案 Example sentences using 立案 3 sentences, showing page 1 of 1. 公司要先去有关部门立案。 Gōngsī yào xiān qù yǒuguān bùmén lì'àn. The company must first register with the relevant department. 检察院已经立案了。 Jiǎncháyuàn yǐjīng lì'àn le. The procuratorate has already opened a case. 法院为什么不肯给这件事立案？ Fǎyuàn wèishénme bùkěn gěi zhè jiàn shì lì'àn? Why won't the court file a case for this matter?