to succeed in doing something difficult
成功完成某项困难的事情 (chenggong wancheng mouxiang kunnan de shiqing)
"No one thought she could do it, but she pulled it off."
"没有人认为她能做到，但她做到了。" (Meiyou ren renwei ta neng zuodao, dan ta zuodao le.)
both sides must trust each other
to become clear to someone after not realizing
a way of asking what someone is thinking.
a delicate situation requiring careful diplomacy
something boringly repetitive
a barrier separating nations ideologically or politically
