我认为有必要提高警惕 (I think it's necessary to be more vigilant)
Grammar & Usage
How it works
The phrase starts with '我 (wǒ)' meaning 'I', followed by '认为 (rènwéi)' meaning 'to think/believe'. The core structure '有必要 (yǒu bìyào)' translates to 'it is necessary/there is a need to'. This is followed by the action '提高警惕 (tígāo jǐngtì)', which means 'to raise vigilance' or 'to be more vigilant'. It expresses a personal opinion about the necessity of increased caution.
Sample sentences
面对当前复杂的国际形势，我认为有必要提高警惕。
Given the current complex international situation, I think it's necessary to be more vigilant.
虽然情况有所好转，但我认为有必要提高警惕，以防万一。
Although the situation has improved, I think it's necessary to be more vigilant, just in case.
在信息安全方面，我认为有必要提高警惕，保护个人数据。
Regarding information security, I think it's necessary to be more vigilant and protect personal data.
Often used with
Mnemonic
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Example
面对当前复杂的国际形势，我认为有必要提高警惕。
Given the current complex international situation, I think it's necessary to be more vigilant.
虽然情况有所好转，但我认为有必要提高警惕，以防万一。
Although the situation has improved, I think it's necessary to be more vigilant, just in case.
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