Tā dìyī cì shàngtái yǎnjiǎng shí gǎndào fēicháng dǎnqiè.
She felt very timid when she went on stage to give a speech for the first time.
Tips
memory
胆 (gallbladder/courage) + 怯 (timid). In Chinese, the gallbladder is associated with bravery - 胆大 means bold, 胆小 means timid. 胆怯 literally means 'courage is weak.'