Character Expression Sheet Grid

Create a professional character expression sheet featuring a young East Asian woman with black hair pulled back, wearing a simple white top. The image must be a grid layout of exactly 20 individual headshots arranged in 4 rows and 5 columns. Each panel should show the same character facing forward or slightly angled against a blurred neutral background, displaying a distinct facial expression. Below each headshot, include a small number (1-20) followed by a Chinese label describing the emotion. The specific expressions to render are: 1 平静观察 (calm observation), 2 专注倾听 (focused listening), 3 轻微疑惑 (slight confusion), 4 察觉异常 (noticing anomaly), 5 怀疑 (suspicion), 6 隐约不满 (faint dissatisfaction), 7 强忍情绪 (suppressing emotions), 8 偷偷观察 (secretly observing), 9 听到别人说话后的反应 (reaction after hearing someone speak), 10 突然意识到什么 (sudden realization), 11 释然 (relief), 12 温柔微笑 (gentle smile), 13 真正开心 (genuinely happy), 14 忍不住笑 (can't help laughing), 15 害羞 (shy), 16 惊讶但克制 (surprised but restrained), 17 担心 (worried), 18 失落 (disappointed), 19 思考 (thinking), 20 会心一笑 (knowing smile). Use soft, even lighting suitable for a high-quality reference chart.