A friendly warning: If I find sales are lagging, I get testy and lock the exits.

友情提示，如果我发现销量上不去将会很生气，并把出口锁上。

youdao

Most would rather send you on your way with a friendly warning — that can save you time and money.

一般情况下，警察会给你几句友善的警告后把你放走。这样并不费你的时间，更不费你的钱。

youdao

Here's a friendly warning: the OTCs are now mobilizing on their next effort: Getting you to believe they are your friends and partners.

以下是友情提醒：在线旅行社们已经在采取下一步行动——让你相信他们是你的朋友和合作伙伴。

youdao

Still, the embassy incident serves as a warning to Israel that a democratically elected Egyptian government may be a lot less friendly.

ECONOMIST: Egypt and Israel