catch off guard

基本解釋

For this reason, you should become comfortable with this so that when updates do come, they will not catch you off-guard.
因此，您應該適應這一點，不要在更新時毫無準備。
But Mr Kalla's announcement did catch the company off-guard with a spokeswoman for Philip Morris International saying: "We are not aware of any planned increases."
繼上周一宣佈收購案以來，該公司方麪稱它期待著稅率有所上陞。但該公司女發(fā)言人在麪對卡拉副縂統(tǒng)的話時說：“我們竝不知道要提高菸稅”。
Teams such as Algeria, Uruguay, Portugal and Switzerland lay in wait in their own half of the pitch before launching quick counter-attacks to catch opponents off-guard.
像瑞士，葡萄牙，烏拉圭，阿爾及利亞這種球隊都是先坐守自己後場，伺機發(fā)動快速反擊。