sao lại 
why [ sao ] : how?, what manner?, why? (is that); to matter
[ lại ] : (1) again; against, over again, back towards; resume, re-; (2) to come, reach, get to; (3) (indicates something is contrary to expectations)
Most Common Compounds Set 1:
Most Common Compounds Set 2 :
| Beginner - Low Intermediate: 1062 (adjective: salty)  The steak is already very salty, why did you put more salt on it?  Das Steak ist schon sehr salzig, warum salzt man es? Miếng bít tết đã mặn lắm rồi, sao lại thêm muối vào? |
| Intermediate -Advanced: 3037 (verb: to ask [a question] in reply, to answer a question with a question) When I asked him why he did it, he replied by asking me: " Why not ?" Ich fragte ihn, warum er das tat, und er fragte mich: „Warum nicht?“ Tôi hỏi anh ấy tại sao lại làm điều này, và anh ấy hỏi tôi, "Tại sao không?" |