并非易事 (bìng fēi yì shì - it is not an easy task)
Grammar & Usage
How it works
This idiom is composed of 并非 (bìng fēi), meaning 'is really not' or 'is definitely not,' and 易事 (yì shì), meaning 'easy matter/task.' 并非 adds emphasis to the negation, suggesting that something is far from easy or simple. It is used to express that an undertaking or situation presents significant difficulty.
Sample sentences
要想在竞争激烈的市场中脱颖而出，并非易事。
It is not an easy task to stand out in a fiercely competitive market.
管理一个庞大的团队，要做到公平公正，并非易事。
Managing a large team fairly and justly is no easy feat.
虽然听起来简单，但真正要付诸实践，并非易事。
Although it sounds simple, actually putting it into practice is not an easy task.
Mnemonic
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Example
要想在竞争激烈的市场中脱颖而出，并非易事。
It is not an easy task to stand out in a fiercely competitive market.
管理一个庞大的团队，要做到公平公正，并非易事。
Managing a large team fairly and justly is no easy feat.
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