keep your guard up的意思|示意

Don't ignore the Internet in your job search, but keep your guard up.

不可忽视互联网在求职外的做用，但在使用互联网时，要时辰保持警惕。

Bottom line: Keep your guard up, especially if somebody offers you a word search puzzle.

底线是：保持警惕，特别是当有人让你做单词搜索迷宫题时。

Generally, these attacks have been relegated to the category of annoyance, but don't let that be a reason to lower your guard, because there are plenty of other things to keep you up at night.

通常，我们认为这是一种无聊的攻击，但您一定不要因此放松警惕，因为它造成的许多问题会让您半夜睡不着觉。