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 explain or present trade strategies clearly
to behave according to what is expected or suitable
to record what you learned from an experience
to tell someone your name and details when meeting for the f...
to become very emotional because of regret or sadness
to cause something to happen
