Be careful you don't leave yourself open to charges of political bias.

你要小心别留下把柄，让人家指责你带有政治偏见。

《牛津词典》

"It must be a very fine day," he said, "and you must be very careful not to tire yourself."

“一定是个好天，”他说，“你也必须非常小心，千万别累着自己。”

youdao

Be careful of people who may make you feel bad or unhappy about yourself.

小心那些可能让你对自己感觉不好或不开心的人。

youdao

You must be careful to pay yourself a reasonable wage, otherwise the IRS will consider your dividends to be taxable as income.

FORBES: Social Security For The Self-Employed

C. you have to be careful not to party yourself out of house and home!

FORBES: 4 People Dish: How I Spend My $60,000 Salary

Be careful not to commit yourself to a fixed pattern of savings unless you can keep up the payments.

BBC: There are lots of ways to put some money away for the future.