I always warn myself.

我总是告诫自己。

youdao

Our teachers and parents always warn us not to swim in the river.

老师和父母总是警告我们，不要在河里游泳。

youdao

I always warn my father not to smoke.

我总提醒我爸爸不要抽烟。

youdao

They're not allowed to preach, and principals always warn students that they are being taught by Christians.

CNN: ASIANOW - TIME Asia | China: Inside China's Search for Its Soul

Mr. DOUGLAS: What I always warn people is these are professional liars.

NPR: Pretexting Is Alive and Well in Corporate America

Estate planners have been using grantor trusts for the past two decades, but they always had to warn clients that the IRS might consider the income tax payments by the grantor to be further taxable gifts to the beneficiaries of the trust.

FORBES: The IRS Grants A Wish