Beginner Level Advanced Level
INTERMEDIATE LEVEL
Content
Sicherheit 
sự an toàn ☊ Abstrakta
→ → →
OXF3000: 
sự an toàn 
safety
OXF3000N sự an toàn sự chắc chăn safety
OXF3000N sự an toàn sự an ninh security
OXF3000D: sự an toàn safety 
Sicherheit
like: sự an toàn → →
concern (for sth/sb): She hasn't been seen for four days and there is concern for her safety. ☊ concern ☊
concerned for sth: He didn't seem in the least concerned for her safety. ☊ concerned ☊
There is considerable disagreement over the safety of the treatment. ☊ disagreement ☊
They are anxious for her safety. ☊ for ☊
The police have expressed grave concern about the missing child's safety. ☊ grave ☊
Fears are growing for the safety of a teenager who disappeared a week ago. ☊ grow ☊
The report is primarily concerned with aircraft safety. ☊ primarily ☊
News of their safety came as a great relief. ☊ relief ☊
The police are concerned for the safety of the 12-year-old boy who has been missing for three days. ☊ safety ☊
He was kept in custody for his own safety. ☊ safety ☊
I'm worried about the safety of the treatment. ☊ safety ☊
We watched the lions from the safety of the car. ☊ safety ☊
the security of a loving family life ☊ security ☊