On some level, the entire problem of communication is the difficulty of pushing complex bundles of inter-related thoughts through your mouth.
How did Charles Darwin make the best prediction ever? Why are there more accents in the UK than in the US? Why are there yellow watermelons in Africa? Weirdly these all have the same answer.
You should probably forget about learning Chinese meaningfully. So how does one learn Chinese meaninglessly? I’m so glad you asked.