2 sentences

1. 即使有许多警示迹象，我们错了。

   jí​shǐ yǒu xǔ​duō jǐng​shì jì​xiàng, wǒ​men cuò le.

   Even with many warning signs, we were wrong.

   Source: CCMatrix

2. 留意海滩上的警示标志和警示旗。

   liú​yì hǎi​tān shang de jǐng​shì biāo​zhì hé jǐng​shì qí.

   Pay attention to any warning signs and flags on the beach.

   Source: CCMatrix