to make a mistake when dealing with something difficult
在处理困难的事情时犯错 (zai chuli kunnan de shiqing shi fan cuo)
"She tripped up on the hardest part of the puzzle."
"她在解答最难的部分时trip up on了。" (Ta zai jieda zui nan de bufen shi trip up on le.)
to divide snacks into measured servings
to say exactly what one thinks or feels
to begin again after a failure
to step to the side to let someone or something pass
to maintain communication with someone
to decide that someone is wrong or guilty
