be always on the alert

基本解釋

If you want to play your best, you must always feel good physically and be mentally alert so you can focus on the game.
運(yùn)氣差并不獨(dú)一能夠影響你情緒的工作，如果你很累你也需要停止游戲。研究表明，對(duì)于任何測(cè)試，人們?cè)跈C(jī)靈和吃飽的狀態(tài)下都會(huì)做得更好。撲克也不例外。
A hospital should work out a pre-scheme for emergence response to sudden medical incidents based on the guidelines of " prevention first" and "always be on the alert".
醫(yī)院應(yīng)當(dāng)遵循預(yù)防為主、常備不懈的方針，制定突發(fā)醫(yī)療事件的應(yīng)急預(yù)案。
In his journal, Henry David Thoreau wrote, "My profession is always to be on the alert to find God in nature, to know his lurking places, to attend all the oratories, the operas in nature .
亨利·大衛(wèi)·梭羅在日記中寫道：“我要做的就是時(shí)時(shí)刻刻從自然中發(fā)現(xiàn)上帝的存在，了解他在自然中隱藏的地方，觀賞在自然界中上演的所有演講和華麗的歌劇演出。

Investors now know that funds are not inherently safe and that they should always be on the alert for self-dealing by advisers, brokers and other intermediaries.
FORBES: The Great Mutual Fund Clean Up That Almost Happened (April 4, 2004 )
Thus, policymakers and informed citizens always need to be on alert for exaggerated claims regarding the benefits of Medicaid expansion.
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