to make a careless mistake while doing something
cometer un error descuidado mientras haces algo (kometer un error descuidado mientras haces algo)
"I tripped over my words during the speech."
"me tropecé con mis palabras durante el discurso" (me tropece con mis palabras durante el discurso)
to do work in advance before it is due
to summarize or conclude by revisiting main ideas
to examine something thoroughly to remove weak options
to accept something enthusiastically and willingly
to start something quickly and effectively
to use knowledge or skills in a real situation