After watching that film, she was so choked up she couldn't speak.
Tips
usage
泣 describes crying that is quiet and internalized - soft sobbing, often suppressed. It contrasts with 哭, which is open crying or weeping, and 号啕, which is loud wailing. 泣不成声 (choked with sobs, unable to speak) is a common idiom.
Three-stroke water radical on the left, side form of 水. 泣 means to weep silently - water imagery for tears running down the face. The radical anchors 泣 alongside 泪 tear, 涕 mucus tear, 滴 drop, 涌 to surge - liquid-from-the-body chars.
Right side 立 supplies the sound - lì shifting to qì through an old reading. There is a faint semantic echo: 立 pictures a person standing fixed, and silent weeping is the still kind - tears falling while the body stands rooted. Same phonetic in 粒 grain.