Meaning trap
live up to
fulfil moral duty
to act in accordance with one's moral principles, values, or responsibilities, especially when these are demanding or require integrity.
Don't mix these meanings
Same phrase, different job.
to act in accordance with one's moral principles, values, or responsibilities, especially when these are demanding or require integrity.
'live up to' also has the more basic meaning 'meet expectations'; this is the advanced sense.
Hear it in context
Notice where the phrase sounds natural.
- Despite the pressure, she always tried to live up to her principles, even when it meant making unpopular decisions.ethics
- In my view, politicians should strive to live up to the ideals they promote, rather than simply seeking public approval.IELTS speaking
Fix the pattern
Pattern: live up to + (one's) responsibilities/principles/ideals
WrongHe didn't live up his promises.
RightHe didn't live up to his promises.
Needs 'to' — 'live up TO'.
Patternlive up to + (one's) responsibilities/principles/ideals
Use it right
Choose the version that sounds natural in speech.
'Live up to (your principles/values)' is the natural phrase. 'Act in accordance with stated principles' is formal.
Build natural chunks
Words that usually travel with it.
live up tohis principlesour valuesthe idealyour word
Don't confuse it
Unlike the B2 sense of 'live up to' (meeting expectations or standards), this sense is about fulfilling one's ethical or moral obligations, not just achieving a promised result.
Related
- live up to (meet expectations) — 'live up to' also has the more basic meaning 'meet expectations'; this is the advanced sense.