When you're writing in script, there are four letters of the alphabet that you can't complete in one stroke.

当你用连写体书写时，字母表里有4个字母你不能一笔写完。

《柯林斯英汉双解大词典》

Because of the randomicity of handwritten characters, handwritten stroke or Chinese characters are depended on user, time, writing condition, equipment and circumstance.

由于手写的随机性，手写的笔画或汉字因人而异、冈时而异、因书写条件、设备和环境而异。

youdao

Can grasp Chinese character stroke, the stroke order and the writing rules, may carry on the transcription and the simple dictation of Chinese characters.

掌握汉字笔画、笔顺和书写规则，可进行汉字的抄写和简单的听写。

youdao

Osofsky-McGonigle had aphasia, a common outcome of stroke in which parts of the brain related to language, including reading, writing and talking, are damaged.

CNN: Stroke recovery: One woman's story

Instead of tapping out letters or writing a word on screen, you trace each letter in a single, fluid stroke.

BBC: The software is based on pattern recognition