Mandarin becomes more usable when listening, speaking, reading and writing reinforce one another. A learner who hears a phrase, says it, recognizes its characters and writes it is building several memory paths at once.
Practice one idea in four ways
After learning a new expression, listen for it in context, repeat it aloud, read it in a short example and write the key characters. This keeps practice focused while improving different skills.
Keep communication as the goal
Accuracy matters, but learners also need confidence. Use realistic situations so each new item becomes language that can be used in study, work or daily life.