only ☊ like: phải cái → →
Du musst dieses Programm installieren. ☊ 
Anh / Chị phải cài đặt chương trình này. ☊ (Lektion 113, Nr. 2079) acknowledge sth: She refuses to acknowledge the need for reform. ☊ acknowledge ☊
The law is in urgent need of reform. ☊ urgent ☊