to fail to keep a promise
未能履行承诺 (wei neng lü xing cheng nuo)
"Don’t break your word; people rely on you."
"不要打破承诺；人们依赖你。" (Bu yao **da po cheng nuo**; ren men yi lai ni.)
to understand or solve the real cause of something
a strong desire to travel or move around
a short period when one has a chance to act effectively
laughing uncontrollably
to act honestly and treat others equally
a connected series of thoughts
