like: der Fehler → →
der Fehler ☊ 
sai lầm ☊ 
☊ The mistake was obvious to all those present. ☊ present ☊
The fault was discovered during a routine check. ☊ routine ☊
I soon realized the mistake. ☊ soon ☊
der Fehler ☊ sai lầm ☊ ☊