to make a careless mistake while doing something
何かをしているときにうっかり間違いをする (nanika o shite iru toki ni ukkari machigai o suru)
"I tripped over my words during the speech."
"私はスピーチ中に言葉に躓いた" (watashi wa supīchi-chū ni kotoba ni tsumazaita)
to increase the desire or need for something
to express feelings that you have been holding in
to admit something you did wrong; to take responsibility for...
to use your experience or strength to deal with something
to safely disconnect from a system again after using it
to resign or leave a position of authority or responsibility