繁重 fánzhòng heavy
heavy; burdensome; heavy-duty; arduous; onerous
How to remember 繁重: 繁 complex + 重 heavy = heavy.
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How it is used
- Heavy and onerous, of work/tasks - 繁重的任务 (fánzhòng de rènwù) an arduous task; 家务繁重 heavy housework.
- Specifically about a heavy workload/burden, not physical weight.
- Near 沉重 (chénzhòng); 繁重 stresses the volume and toil of duties.