Tīngdào zhège huài xiāoxi, tā qiǎngrěn zhe bēishāng, ānwèi jiārén.
On hearing the bad news, she held back her grief and comforted her family.
Tips
usage
Usually 强忍着 + what is held back (泪水 "tears", 疼痛 "pain", 怒火 "anger"), or 强忍着没 + verb "managed not to". 强 is "to force (oneself)", as in 勉强; many speakers say qiángrěn.