按捺不住

按捺不住 [àn nà bú zhù]

1. ■ beside oneself (with excitement [anger; joy]); cannot control [contain] oneself; unable to contain any longer; cannot contain [control] one's excited feelings; cannot hold back; unable to hold oneself in check:

按捺不住激动的心情 be unable to hold back one's excitement;

她此时按捺不住自己， 料想一定是凶多吉少。 She could now no longer contain herself， and was convinced that some disaster was impending.

听到那个好消息时， 他按捺不住高兴的心情。 When he learned of the good news, he was beside himself with joy.