沉不住气chén bu zhù qì

见[沉得住气]。如：到底年轻～，遇上以恋爱为游戏的女子，一失恋便许自杀。

沉不住气chén bù zhù qì

can hardly contain one's excitement; cannot remain calm; impatient
❍ 对！ 鲁汉～了，叫道：“你都说到我心眼里了，真是这么办呀！林哥你说呢？” (知侠 《铁道游击队》 58)"“That's right!"shouted Lu Han,who could hardly contain his excitement. "What you've said is exactly what I was thinking. That's the only way! What do you say,Lin?"/可是，到吃饭的时候，还不见立安回家，他也～了。(陶承 《我的一家》 28) Though he reasoned with me,Meisheng could not remain calm either when Lian was still not back at supper time. /我有些～了，自己跑下山，要到部队里去打听，但是半路上邓颖超同志把我挡住了，…… (陶承《我的一家》 90) Growing impatient,I set out for the army headquarters to inquire about him. On the way there I was stopped by Comrade Deng Yingchao.

沉不住气

lose control of oneself