blunder into 误入
blunder through 拙劣地完成
slip up 出错
blurt out 脱口而出
stumble upon 偶然发现
1. He blundered out a secret that he was supposed to keep.
他由于一时失言，把本该保守的秘密说出了口。
2. The exhausted hiker blundered out of the thick forest.
疲惫不堪的徒步旅行者踉踉跄跄地走出了茂密的森林。
3. She blundered out an apology, looking very embarrassed.
她显得非常尴尬，支支吾吾地道了歉。
A: Did you hear what he just said?
A：你听见他刚才说了什么吗？
B: Yes, he blundered out the entire plan by mistake.
B：是的，他不小心把整个计划都说出来了。
1) 笨拙地脱口而出
2) 踉踉跄跄地走出来
3) 误说出
1. 笨拙地脱口而出
e.g.
He blundered out an excuse.
他支支吾吾地找了个借口。
phrasal verb
1. To say something in a clumsy, careless, or unintentional way.
Synonym: blurt out