written ☊ like: thành văn → →
Kein Problem, wir haben oben reizende Zimmer mit Bad. Ist das okay? ☊ 
Không thành vấn đề, ở tầng trên chúng tôi có phòng với buồng tắm. Có được không ạ? ☊ (Lektion 8, Nr. 72) His drinking is getting to be a problem. ☊ get ☊
Proving his innocence has become a matter of honour. ☊ honour ☊
'What did you say?' 'Oh, it doesn't matter' (= it is not important enough to repeat).' ☊ matter ☊
Without unwritten rules civilized life would be impossible. ☊ rule ☊
It doesn't matter if you don't win every time (= every time you play). ☊ time ☊