Too close behind to stop , the bear tripped over him and went rolling into the cabin .
那只熊紧跟在后面来不及停下来，被他绊倒并滚进小木屋。
The volume of searches the site received tripped safety mechanisms and made the search engine think it was under attack from a spambot .
网站的访问量收到了绊倒安全机制，让人觉得这个搜索引擎在受到一个垃圾邮件程序的攻击。
Mary robinson , the former president of ireland and the united nations high commissioner for human rights , tripped as she entered the east room to take her place in the line-up .
Unsuccessful secretaries of state are usually tripped up by the same few things : clashes with their president ; a lack of expertise ; or powerful internal rivals crafting alternative foreign policies , notably within the national-security team at the white house .
