出了纰漏 meaning in English

make a slip

Some weeks ago a shipment of guns he purchased proved defective .
几个星期前，在装运他买的枪支时出了纰漏。
When the damage was done adultery became as unimportant as friendship .
一旦出了纰漏，私通就成为一件无关紧要的事，同友谊没有什么两样了。
Although at the time that was not apparent, since the priests had quickly converted an error into a blessing .
不过当时谁也没有想到不吉利，因为尽管出了纰漏祭司们马上把它化凶为吉了。