to wait patiently for the right moment
耐心等待合适的时机 (naixin dengdai heshi de shiji)
"She decided to bide her time before making a move."
"她决定在行动之前耐心等待合适的时机。" (ta jueding zai xingdong zhiqian naixin dengdai heshi de shiji)
something decided by chance
to reveal a secret by mistake
to become angry or upset
to have the opposite result of what was intended
extremely thankful
to start over again because the previous plan failed